diff --git a/src/components/CriticalActionDialog/CriticalActionDialog.tsx b/src/components/CriticalActionDialog/CriticalActionDialog.tsx
index ba11153b03..4e80453de8 100644
--- a/src/components/CriticalActionDialog/CriticalActionDialog.tsx
+++ b/src/components/CriticalActionDialog/CriticalActionDialog.tsx
@@ -3,6 +3,7 @@ import React from 'react';
 import {CircleXmarkFill, TriangleExclamationFill} from '@gravity-ui/icons';
 import {Checkbox, Dialog, Icon} from '@gravity-ui/uikit';
 
+import {ResultIssues} from '../../containers/Tenant/Query/Issues/Issues';
 import type {IResponseError} from '../../types/api/error';
 import {cn} from '../../utils/cn';
 
@@ -13,6 +14,9 @@ import './CriticalActionDialog.scss';
 const b = cn('ydb-critical-dialog');
 
 const parseError = (error: IResponseError) => {
+    if (error.data && 'issues' in error.data && error.data.issues) {
+        return <ResultIssues hideSeverity data={error.data} />;
+    }
     if (error.status === 403) {
         return criticalActionDialogKeyset('no-rights-error');
     }
diff --git a/src/containers/Operations/Operations.tsx b/src/containers/Operations/Operations.tsx
index bb9d66f54e..d404b1335b 100644
--- a/src/containers/Operations/Operations.tsx
+++ b/src/containers/Operations/Operations.tsx
@@ -5,7 +5,7 @@ import {isAccessError} from '../../components/Errors/PageError/PageError';
 import {ResponseError} from '../../components/Errors/ResponseError';
 import {ResizeableDataTable} from '../../components/ResizeableDataTable/ResizeableDataTable';
 import {TableWithControlsLayout} from '../../components/TableWithControlsLayout/TableWithControlsLayout';
-import {operationListApi} from '../../store/reducers/operationList';
+import {operationsApi} from '../../store/reducers/operations';
 import {useAutoRefreshInterval} from '../../utils/hooks';
 
 import {OperationsControls} from './OperationsControls';
@@ -24,7 +24,7 @@ export function Operations({database}: OperationsProps) {
     const {kind, searchValue, pageSize, pageToken, handleKindChange, handleSearchChange} =
         useOperationsQueryParams();
 
-    const {data, isFetching, error} = operationListApi.useGetOperationListQuery(
+    const {data, isFetching, error, refetch} = operationsApi.useGetOperationListQuery(
         {database, kind, page_size: pageSize, page_token: pageToken},
         {
             pollingInterval: autoRefreshInterval,
@@ -61,7 +61,7 @@ export function Operations({database}: OperationsProps) {
             <TableWithControlsLayout.Table loading={isFetching} className={b('table')}>
                 {data ? (
                     <ResizeableDataTable
-                        columns={getColumns()}
+                        columns={getColumns({database, refreshTable: refetch})}
                         data={filteredOperations}
                         emptyDataMessage={i18n('title_empty')}
                     />
diff --git a/src/containers/Operations/OperationsControls.tsx b/src/containers/Operations/OperationsControls.tsx
index 1d577cc303..1508054c2a 100644
--- a/src/containers/Operations/OperationsControls.tsx
+++ b/src/containers/Operations/OperationsControls.tsx
@@ -4,7 +4,7 @@ import {Select} from '@gravity-ui/uikit';
 
 import {EntitiesCount} from '../../components/EntitiesCount';
 import {Search} from '../../components/Search';
-import type {OperationKind} from '../../types/api/operationList';
+import type {OperationKind} from '../../types/api/operations';
 
 import {OPERATION_KINDS} from './constants';
 import i18n from './i18n';
diff --git a/src/containers/Operations/columns.tsx b/src/containers/Operations/columns.tsx
index bf8302d094..fa3843134d 100644
--- a/src/containers/Operations/columns.tsx
+++ b/src/containers/Operations/columns.tsx
@@ -1,18 +1,30 @@
 import {duration} from '@gravity-ui/date-utils';
+import {Ban, CircleStop} from '@gravity-ui/icons';
 import type {Column as DataTableColumn} from '@gravity-ui/react-data-table';
-import {Text} from '@gravity-ui/uikit';
+import {ActionTooltip, Flex, Icon, Text} from '@gravity-ui/uikit';
 
+import {ButtonWithConfirmDialog} from '../../components/ButtonWithConfirmDialog/ButtonWithConfirmDialog';
 import {CellWithPopover} from '../../components/CellWithPopover/CellWithPopover';
-import type {TOperation} from '../../types/api/operationList';
-import {EStatusCode} from '../../types/api/operationList';
+import {operationsApi} from '../../store/reducers/operations';
+import type {TOperation} from '../../types/api/operations';
+import {EStatusCode} from '../../types/api/operations';
 import {EMPTY_DATA_PLACEHOLDER, HOUR_IN_SECONDS, SECOND_IN_MS} from '../../utils/constants';
+import createToast from '../../utils/createToast';
 import {formatDateTime} from '../../utils/dataFormatters/dataFormatters';
 import {parseProtobufTimestampToMs} from '../../utils/timeParsers';
 
 import {COLUMNS_NAMES, COLUMNS_TITLES} from './constants';
 import i18n from './i18n';
 
-export function getColumns(): DataTableColumn<TOperation>[] {
+import './Operations.scss';
+
+export function getColumns({
+    database,
+    refreshTable,
+}: {
+    database: string;
+    refreshTable: VoidFunction;
+}): DataTableColumn<TOperation>[] {
     return [
         {
             name: COLUMNS_NAMES.ID,
@@ -114,5 +126,91 @@ export function getColumns(): DataTableColumn<TOperation>[] {
                 return Date.now() - createTime;
             },
         },
+        {
+            name: 'Actions',
+            sortable: false,
+            resizeable: false,
+            header: '',
+            render: ({row}) => {
+                return (
+                    <OperationsActions
+                        operation={row}
+                        database={database}
+                        refreshTable={refreshTable}
+                    />
+                );
+            },
+        },
     ];
 }
+
+interface OperationsActionsProps {
+    operation: TOperation;
+    database: string;
+    refreshTable: VoidFunction;
+}
+
+function OperationsActions({operation, database, refreshTable}: OperationsActionsProps) {
+    const [cancelOperation, {isLoading: isLoadingCancel}] =
+        operationsApi.useCancelOperationMutation();
+    const [forgetOperation, {isLoading: isForgetLoading}] =
+        operationsApi.useForgetOperationMutation();
+
+    const id = operation.id;
+    if (!id) {
+        return null;
+    }
+
+    return (
+        <Flex gap="2">
+            <ActionTooltip title={i18n('header_forget')} placement={['left', 'auto']}>
+                <div>
+                    <ButtonWithConfirmDialog
+                        buttonView="outlined"
+                        dialogHeader={i18n('header_forget')}
+                        dialogText={i18n('text_forget')}
+                        onConfirmAction={() =>
+                            forgetOperation({id, database})
+                                .unwrap()
+                                .then(() => {
+                                    createToast({
+                                        name: 'Forgotten',
+                                        title: i18n('text_forgotten', {id}),
+                                        type: 'success',
+                                    });
+                                    refreshTable();
+                                })
+                        }
+                        buttonDisabled={isLoadingCancel}
+                    >
+                        <Icon data={Ban} />
+                    </ButtonWithConfirmDialog>
+                </div>
+            </ActionTooltip>
+            <ActionTooltip title={i18n('header_cancel')} placement={['right', 'auto']}>
+                <div>
+                    <ButtonWithConfirmDialog
+                        buttonView="outlined"
+                        dialogHeader={i18n('header_cancel')}
+                        dialogText={i18n('text_cancel')}
+                        onConfirmAction={() =>
+                            cancelOperation({id, database})
+                                .unwrap()
+                                .then(() => {
+                                    createToast({
+                                        name: 'Cancelled',
+                                        title: i18n('text_cancelled', {id}),
+                                        type: 'success',
+                                    });
+                                    refreshTable();
+                                })
+                        }
+                        buttonDisabled={isForgetLoading}
+                    >
+                        <Icon data={CircleStop} />
+                    </ButtonWithConfirmDialog>
+                </div>
+            </ActionTooltip>
+        </Flex>
+    );
+}
diff --git a/src/containers/Operations/constants.ts b/src/containers/Operations/constants.ts
index 869e54e6dd..67ce34dfbc 100644
--- a/src/containers/Operations/constants.ts
+++ b/src/containers/Operations/constants.ts
@@ -1,4 +1,4 @@
-import type {OperationKind} from '../../types/api/operationList';
+import type {OperationKind} from '../../types/api/operations';
 
 import i18n from './i18n';
 
diff --git a/src/containers/Operations/i18n/en.json b/src/containers/Operations/i18n/en.json
index d38a15908e..712b4093ab 100644
--- a/src/containers/Operations/i18n/en.json
+++ b/src/containers/Operations/i18n/en.json
@@ -13,5 +13,12 @@
   "column_createTime": "Create Time",
   "column_endTime": "End Time",
   "column_duration": "Duration",
-  "label_duration-ongoing": "{{value}} (ongoing)"
+  "label_duration-ongoing": "{{value}} (ongoing)",
+
+  "header_cancel": "Cancel operation",
+  "header_forget": "Forget operation",
+  "text_cancel": "The operation will be cancelled. Do you want to proceed?",
+  "text_forget": "The operation will be forgotten. Do you want to proceed?",
+  "text_forgotten": "The operation {{id}} has been forgotten",
+  "text_cancelled": "The operation {{id}} has been cancelled"
 }
diff --git a/src/containers/Operations/useOperationsQueryParams.ts b/src/containers/Operations/useOperationsQueryParams.ts
index 570cdd044b..af93ff59e0 100644
--- a/src/containers/Operations/useOperationsQueryParams.ts
+++ b/src/containers/Operations/useOperationsQueryParams.ts
@@ -1,7 +1,7 @@
 import {NumberParam, StringParam, useQueryParams} from 'use-query-params';
 import {z} from 'zod';
 
-import type {OperationKind} from '../../types/api/operationList';
+import type {OperationKind} from '../../types/api/operations';
 
 const operationKindSchema = z.enum(['ss/backgrounds', 'export', 'buildindex']).catch('buildindex');
 
diff --git a/src/containers/Tablets/TabletsTable.tsx b/src/containers/Tablets/TabletsTable.tsx
index 646207dfb0..f1bdcaf257 100644
--- a/src/containers/Tablets/TabletsTable.tsx
+++ b/src/containers/Tablets/TabletsTable.tsx
@@ -136,8 +136,13 @@ function TabletActions(tablet: TTabletStateInfo) {
             }}
             buttonDisabled={isDisabledRestart || !isUserAllowedToMakeChanges}
             withPopover
-            popoverContent={i18n('controls.kill-not-allowed')}
-            popoverDisabled={isUserAllowedToMakeChanges}
+            popoverContent={
+                isUserAllowedToMakeChanges
+                    ? i18n('dialog.kill-header')
+                    : i18n('controls.kill-not-allowed')
+            }
+            popoverPlacement={['right', 'auto']}
+            popoverDisabled={false}
         >
             <Icon data={ArrowRotateLeft} />
         </ButtonWithConfirmDialog>
diff --git a/src/containers/Tenant/Query/Issues/Issues.tsx b/src/containers/Tenant/Query/Issues/Issues.tsx
index a3962a6714..e0c4913d64 100644
--- a/src/containers/Tenant/Query/Issues/Issues.tsx
+++ b/src/containers/Tenant/Query/Issues/Issues.tsx
@@ -25,9 +25,10 @@ const blockIssue = cn('kv-issue');
 
 interface ResultIssuesProps {
     data: ErrorResponse | string;
+    hideSeverity?: boolean;
 }
 
-export function ResultIssues({data}: ResultIssuesProps) {
+export function ResultIssues({data, hideSeverity}: ResultIssuesProps) {
     const [showIssues, setShowIssues] = React.useState(false);
 
     const issues = typeof data === 'string' ? undefined : data?.issues;
@@ -41,7 +42,11 @@ export function ResultIssues({data}: ResultIssuesProps) {
             const severity = getSeverity(data?.error?.severity);
             content = (
                 <React.Fragment>
-                    <IssueSeverity severity={severity} />{' '}
+                    {hideSeverity ? null : (
+                        <React.Fragment>
+                            <IssueSeverity severity={severity} />{' '}
+                        </React.Fragment>
+                    )}
                     <span className={blockWrapper('error-message-text')}>
                         {data?.error?.message}
                     </span>
@@ -62,15 +67,16 @@ export function ResultIssues({data}: ResultIssuesProps) {
                     </Button>
                 )}
             </div>
-            {hasIssues && showIssues && <Issues issues={issues} />}
+            {hasIssues && showIssues && <Issues hideSeverity={hideSeverity} issues={issues} />}
         </div>
     );
 }
 
 interface IssuesProps {
     issues: IssueMessage[] | null | undefined;
+    hideSeverity?: boolean;
 }
-export function Issues({issues}: IssuesProps) {
+export function Issues({issues, hideSeverity}: IssuesProps) {
     const mostSevereIssue = issues?.reduce((result, issue) => {
         const severity = issue.severity ?? 10;
         return Math.min(result, severity);
@@ -78,13 +84,27 @@ export function Issues({issues}: IssuesProps) {
     return (
         <div className={blockIssues(null)}>
             {issues?.map((issue, index) => (
-                <Issue key={index} issue={issue} expanded={issue === mostSevereIssue} />
+                <Issue
+                    key={index}
+                    hideSeverity={hideSeverity}
+                    issue={issue}
+                    expanded={issue === mostSevereIssue}
+                />
             ))}
         </div>
     );
 }
 
-function Issue({issue, level = 0}: {issue: IssueMessage; expanded?: boolean; level?: number}) {
+function Issue({
+    issue,
+    hideSeverity,
+    level = 0,
+}: {
+    issue: IssueMessage;
+    expanded?: boolean;
+    hideSeverity?: boolean;
+    level?: number;
+}) {
     const [isExpand, setIsExpand] = React.useState(true);
     const severity = getSeverity(issue.severity);
     const position = getIssuePosition(issue);
@@ -111,7 +131,7 @@ function Issue({issue, level = 0}: {issue: IssueMessage; expanded?: boolean; lev
                         <ArrowToggle direction={arrowDirection} size={16} />
                     </Button>
                 )}
-                <IssueSeverity severity={severity} />
+                {hideSeverity ? null : <IssueSeverity severity={severity} />}
 
                 <span className={blockIssue('message')}>
                     {position && (
diff --git a/src/services/api.ts b/src/services/api.ts
index d55d597944..df8d7d0a98 100644
--- a/src/services/api.ts
+++ b/src/services/api.ts
@@ -23,7 +23,12 @@ import type {ModifyDiskResponse} from '../types/api/modifyDisk';
 import type {TNetInfo} from '../types/api/netInfo';
 import type {NodesRequestParams, TNodesInfo} from '../types/api/nodes';
 import type {TEvNodesInfo} from '../types/api/nodesList';
-import type {OperationListRequestParams, TOperationList} from '../types/api/operationList';
+import type {
+    OperationCancelRequestParams,
+    OperationForgetRequestParams,
+    OperationListRequestParams,
+    TOperationList,
+} from '../types/api/operations';
 import type {EDecommitStatus, TEvPDiskStateResponse, TPDiskInfoResponse} from '../types/api/pdisk';
 import type {
     Actions,
@@ -887,6 +892,36 @@ export class YdbEmbeddedAPI extends AxiosWrapper {
         );
     }
 
+    cancelOperation(
+        params: OperationCancelRequestParams,
+        {concurrentId, signal}: AxiosOptions = {},
+    ) {
+        return this.post<TOperationList>(
+            this.getPath('/operation/cancel'),
+            {},
+            {...params},
+            {
+                concurrentId,
+                requestConfig: {signal},
+            },
+        );
+    }
+
+    forgetOperation(
+        params: OperationForgetRequestParams,
+        {concurrentId, signal}: AxiosOptions = {},
+    ) {
+        return this.post<TOperationList>(
+            this.getPath('/operation/forget'),
+            {},
+            {...params},
+            {
+                concurrentId,
+                requestConfig: {signal},
+            },
+        );
+    }
+
     getClusterBaseInfo(
         _clusterName: string,
         _opts: AxiosOptions = {},
diff --git a/src/store/reducers/operationList.ts b/src/store/reducers/operationList.ts
deleted file mode 100644
index 88daff9b7d..0000000000
--- a/src/store/reducers/operationList.ts
+++ /dev/null
@@ -1,20 +0,0 @@
-import type {OperationListRequestParams} from '../../types/api/operationList';
-
-import {api} from './api';
-
-export const operationListApi = api.injectEndpoints({
-    endpoints: (build) => ({
-        getOperationList: build.query({
-            queryFn: async (params: OperationListRequestParams, {signal}) => {
-                try {
-                    const data = await window.api.getOperationList(params, {signal});
-                    return {data};
-                } catch (error) {
-                    return {error};
-                }
-            },
-            providesTags: ['All'],
-        }),
-    }),
-    overrideExisting: 'throw',
-});
diff --git a/src/store/reducers/operations.ts b/src/store/reducers/operations.ts
new file mode 100644
index 0000000000..f1fed41477
--- /dev/null
+++ b/src/store/reducers/operations.ts
@@ -0,0 +1,44 @@
+import type {
+    OperationCancelRequestParams,
+    OperationForgetRequestParams,
+    OperationListRequestParams,
+} from '../../types/api/operations';
+
+import {api} from './api';
+
+export const operationsApi = api.injectEndpoints({
+    endpoints: (build) => ({
+        getOperationList: build.query({
+            queryFn: async (params: OperationListRequestParams, {signal}) => {
+                try {
+                    const data = await window.api.getOperationList(params, {signal});
+                    return {data};
+                } catch (error) {
+                    return {error};
+                }
+            },
+            providesTags: ['All'],
+        }),
+        cancelOperation: build.mutation({
+            queryFn: async (params: OperationCancelRequestParams, {signal}) => {
+                try {
+                    const data = await window.api.cancelOperation(params, {signal});
+                    return {data};
+                } catch (error) {
+                    return {error};
+                }
+            },
+        }),
+        forgetOperation: build.mutation({
+            queryFn: async (params: OperationForgetRequestParams, {signal}) => {
+                try {
+                    const data = await window.api.forgetOperation(params, {signal});
+                    return {data};
+                } catch (error) {
+                    return {error};
+                }
+            },
+        }),
+    }),
+    overrideExisting: 'throw',
+});
diff --git a/src/types/api/error.ts b/src/types/api/error.ts
index ed6bea8f6b..3b7086745d 100644
--- a/src/types/api/error.ts
+++ b/src/types/api/error.ts
@@ -1,4 +1,9 @@
-export interface IResponseError<T = unknown> {
+import type {TIssueMessage} from './operations';
+
+// TODO: extend with other error types
+type ResponseErrorData = TIssueMessage;
+
+export interface IResponseError<T = ResponseErrorData> {
     data?: T;
     status?: number;
     statusText?: string;
diff --git a/src/types/api/operationList.ts b/src/types/api/operations.ts
similarity index 95%
rename from src/types/api/operationList.ts
rename to src/types/api/operations.ts
index 5f5c3bd7b0..9c68b35a2f 100644
--- a/src/types/api/operationList.ts
+++ b/src/types/api/operations.ts
@@ -121,3 +121,13 @@ export interface OperationListRequestParams {
     page_size?: number;
     page_token?: string;
 }
+
+export interface OperationCancelRequestParams {
+    database: string;
+    id: string;
+}
+
+export interface OperationForgetRequestParams {
+    database: string;
+    id: string;
+}