diff --git a/public/language/en-GB/flags.json b/public/language/en-GB/flags.json
index 958ff73852..4eeafeeb67 100644
--- a/public/language/en-GB/flags.json
+++ b/public/language/en-GB/flags.json
@@ -72,5 +72,9 @@
 	"modal-submit-success": "Content has been flagged for moderation.",
 	"modal-submit-confirm": "Confirm Submission",
 	"modal-submit-confirm-text": "You have a custom reason specified already. Are you sure you wish to submit via quick-report?",
-	"modal-submit-confirm-text-help": "Submitting a quick report will overwrite any custom reasons defined."
+	"modal-submit-confirm-text-help": "Submitting a quick report will overwrite any custom reasons defined.",
+
+	"bulk-actions": "Bulk Actions",
+	"bulk-resolve": "Resolve Flag(s)",
+	"bulk-success": "%1 flags updated"
 }
\ No newline at end of file
diff --git a/public/src/client/flags/list.js b/public/src/client/flags/list.js
index e9e44f2a74..2dcf7dc091 100644
--- a/public/src/client/flags/list.js
+++ b/public/src/client/flags/list.js
@@ -5,11 +5,14 @@ define('forum/flags/list', ['components', 'Chart'], function (components, Chart)
 
 	Flags.init = function () {
 		Flags.enableFilterForm();
+		Flags.enableCheckboxes();
+		Flags.handleBulkActions();
 
-		components.get('flags/list').on('click', '[data-flag-id]', function () {
-			var flagId = this.getAttribute('data-flag-id');
-			ajaxify.go('flags/' + flagId);
-		});
+		components.get('flags/list')
+			.on('click', '[data-flag-id]', function () {
+				var flagId = this.getAttribute('data-flag-id');
+				ajaxify.go('flags/' + flagId);
+			});
 
 		var graphWrapper = $('#flags-daily-wrapper');
 		var graphFooter = graphWrapper.siblings('.panel-footer');
@@ -38,6 +41,137 @@ define('forum/flags/list', ['components', 'Chart'], function (components, Chart)
 		});
 	};
 
+	Flags.enableCheckboxes = function () {
+		var flagsList = document.querySelector('[component="flags/list"]');
+		var checkboxes = flagsList.querySelectorAll('[data-flag-id] input[type="checkbox"]');
+		var bulkEl = document.querySelector('[component="flags/bulk-actions"] button');
+		var lastClicked;
+
+		document.querySelector('[data-action="toggle-all"]').addEventListener('click', function () {
+			var state = this.checked;
+
+			checkboxes.forEach(function (el) {
+				el.checked = state;
+			});
+		});
+
+		flagsList.addEventListener('click', function (e) {
+			var subselector = e.target.closest('input[type="checkbox"]');
+			if (subselector) {
+				// Stop checkbox clicks from going into the flag details
+				e.stopImmediatePropagation();
+
+				if (lastClicked && e.shiftKey && lastClicked !== subselector) {
+					// Select all the checkboxes in between
+					var state = subselector.checked;
+					var started = false;
+
+					checkboxes.forEach(function (el) {
+						if ([subselector, lastClicked].some(function (ref) {
+							return ref === el;
+						})) {
+							started = !started;
+						}
+
+						if (started) {
+							el.checked = state;
+						}
+					});
+				}
+
+				// (De)activate bulk actions button based on checkboxes' state
+				bulkEl.disabled = !Array.prototype.some.call(checkboxes, function (el) {
+					return el.checked;
+				});
+
+				lastClicked = subselector;
+			}
+
+			// If you miss the checkbox, don't descend into the flag details, either
+			if (e.target.querySelector('input[type="checkbox"]')) {
+				e.stopImmediatePropagation();
+			}
+		});
+	};
+
+	Flags.handleBulkActions = function () {
+		document.querySelector('[component="flags/bulk-actions"]').addEventListener('click', function (e) {
+			var subselector = e.target.closest('[data-action]');
+			if (subselector) {
+				var action = subselector.getAttribute('data-action');
+				var flagIds = Flags.getSelected();
+				var promises = [];
+
+				flagIds.forEach(function (flagId) {
+					promises.push(new Promise(function (resolve, reject) {
+						var handler = function (err) {
+							if (err) {
+								reject(err);
+							}
+
+							resolve(arguments[1]);
+						};
+
+						switch (action) {
+							case 'bulk-assign':
+								socket.emit('flags.update', {
+									flagId: flagId,
+									data: [
+										{
+											name: 'assignee',
+											value: app.user.uid,
+										},
+									],
+								}, handler);
+								break;
+
+							case 'bulk-mark-resolved':
+								socket.emit('flags.update', {
+									flagId: flagId,
+									data: [
+										{
+											name: 'state',
+											value: 'resolved',
+										},
+									],
+								}, handler);
+								break;
+						}
+					}));
+				});
+
+				Promise.allSettled(promises).then(function (results) {
+					var fulfilled = results.filter(function (res) {
+						return res.status === 'fulfilled';
+					}).length;
+					var errors = results.filter(function (res) {
+						return res.status === 'rejected';
+					});
+					if (fulfilled) {
+						app.alertSuccess('[[flags:bulk-success, ' + fulfilled + ']]');
+					}
+
+					console.log(errors);
+					errors.forEach(function (res) {
+						app.alertError(res.reason);
+					});
+				});
+			}
+		});
+	};
+
+	Flags.getSelected = function () {
+		var checkboxes = document.querySelectorAll('[component="flags/list"] [data-flag-id] input[type="checkbox"]');
+		var payload = [];
+		checkboxes.forEach(function (el) {
+			if (el.checked) {
+				payload.push(el.closest('[data-flag-id]').getAttribute('data-flag-id'));
+			}
+		});
+
+		return payload;
+	};
+
 	Flags.handleGraphs = function () {
 		var dailyCanvas = document.getElementById('flags:daily');
 		var dailyLabels = utils.getDaysArray().map(function (text, idx) {