diff --git a/package.json b/package.json
index 232c24d86b..9bf367299b 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "normalize-css": "^2.1.0",
     "npm": "^6.0.0",
     "npm-modernizr": "^2.8.3",
-    "phraseanet-production-client": "0.34.160-d",
+    "phraseanet-production-client": "0.34.161-d",
     "requirejs": "^2.3.5",
     "tinymce": "^4.0.28",
     "underscore": "^1.8.3",
diff --git a/templates/web/prod/actions/delete_records_confirm.html.twig b/templates/web/prod/actions/delete_records_confirm.html.twig
index d65e1e4550..61984cce5f 100644
--- a/templates/web/prod/actions/delete_records_confirm.html.twig
+++ b/templates/web/prod/actions/delete_records_confirm.html.twig
@@ -1,67 +1,166 @@
-{% set nbReceived = records.received().count() %}
-{% set nbEligibleDocuments = records.count() %}
+{% if with_children.records.stories().count() > 0 %}
+    <label class="checkbox">
+        <input type="checkbox" id="del_children" name="del_children"
+               value="1"> {{ "Also delete records that rely on groupings." | trans }}
+    </label>
+{% endif %}
 
-{% set nbTrash = filteredRecord.trash|length %}
-{% set nbDelete = filteredRecord.delete|length %}
+<div id="delete_records_parent_only">
+    {{ include('prod/actions/delete_records_confirm_form.html.twig', parents_only) }}
+</div>
 
-{% if nbEligibleDocuments > 0 %}
-    {% if nbReceived != records.count() %}
-        <div class="well-small" style="text-align:center;">
-            <span class="label label-info">{{ "You do not have rights to remove all selected documents. Are you sure ?" | trans }}</span>
-        </div>
-    {% endif %}
+<div id="delete_records_with_children">
+    {{ include('prod/actions/delete_records_confirm_form.html.twig', with_children) }}
+</div>
 
-    <form id="delete-record-form" style="margin: 0;" method="POST" action="{{ path('record_delete') }}">
-        <input type="hidden" value="{{ records.serializedList() }}" name="lst" />
-        {% if nbTrash > 0 %}
-            <div class="well-small label-important"
-                 style="background-color: #ffef22;">
-                <div class="dialog-left-section">
-                    <img src="/assets/common/images/icons/icon_collection_bin.png"/>
-                </div>
-                <div class="dialog-right-section" style="margin-top: 8px;">
-                    <span>{{ nbTrash }} {{ "prod:app trash: record-move-to-trash" | trans }}</span>
-                </div>
-                {% if records.stories().count() %}
-                    <label class="checkbox story">
-                        <input type="checkbox" id="del_children" name="del_children"
-                               value="1"> {{ "prod:app trash: also-move-record" | trans }}
-                    </label>
-                {% endif %}
-            </div>
-        {% endif %}
-        {% if nbDelete > 0 %}
-            <div class="well-small label-important"
-                 style="background-color: #ed1c24;">
-                <div class="dialog-left-section">
-                    <img src="/assets/common/images/icons/icon_empty_bin.png"/>
-                </div>
-                <div class="dialog-right-section">
-                    <span>{{ nbDelete }} {{ "prod:app trash: record-delete" | trans }}</span>
-                </div>
-                {% if records.stories().count() %}
-                    <label class="checkbox story">
-                        <input type="checkbox" id="del_children" name="del_children"
-                               value="1"> {{ "Also delete records that rely on groupings." | trans }}
-                    </label>
-                {% endif %}
-            </div>
-        {% endif %}
-        <div class="form-actions" style="background-color:transparent;">
-            <button type="button" class="btn btn-danger submiter">{{ "Ok" | trans }}</button>
-            <button type="button" class="btn cancel">{{ "Cancel" | trans }}</button>
-            <span class="form-action-loader" style="display:none;">
-                        <img src="/assets/common/images/icons/loader000.gif"/>
-                    </span>
-        </div>
-    </form>
 
-{% elseif nbReceived == 0 %}
-    <div class="well-small" style="text-align:center;">
-        <span class="label label-important">{{ "No document selected" | trans }}</span>
-    </div>
-{% else %}
-    <div class="well-small" style="text-align:center;">
-        <span class="label label-info">{{ "You do not have rights to remove selected documents" | trans }}</span>
-    </div>
-{% endif %}
\ No newline at end of file
+<script type="text/javascript">
+    var $dialog       = p4.Dialog.get(1),
+        $dialogBox    = $dialog.getDomElement(),
+        $closeButton  = $("button.ui-dialog-titlebar-close", $dialogBox.parent()),
+        $cancelButton = $("button.cancel", $dialogBox),
+        // $titleBox     = $(".ui-dialog-title", $dialogBox.parent()),
+        $delChildren  = $("input[name='del_children']", $dialogBox);
+    /**
+     * set the dlg content according the "delete children" ckbox
+     * the counts (records will be deleted, records rejected...) will update
+     */
+    var fSetDelChildren = function(delChildren) {
+        if(delChildren) {
+            $("#delete_records_parent_only").hide();
+            $("#delete_records_with_children").show();
+        }
+        else {
+            $("#delete_records_with_children").hide();
+            $("#delete_records_parent_only").show();
+        }
+    };
+    /**
+     * the checkbox "delete stories children too" changes
+     */
+    $delChildren.bind("change", function () {
+        fSetDelChildren($(this).is(':checked'));
+    });
+    /**
+     * click cancel before ok : simply close the dlg
+     */
+    $cancelButton.bind("click", function () {
+        // while no task is running, simply close the dlg
+        $dialog.Close();
+    });
+    /**
+     * click ok : run delete tasks
+     */
+    $("button.submiter", $dialogBox).bind("click", function () {
+        var CHUNKSIZE = 3,
+            MAXTASKS  = 5;
+        var $this = $(this);    // the submit button
+        $this.prop('disabled', true)
+            .hide();
+        var $form    = $(this).closest("form"),
+            $counter = $form.find(".to_delete_count"),
+            $trash_counter = $form.find(".to_trash_count"),
+            $loader  = $form.find(".form-action-loader");
+        var lst = $("input[name='lst']", $form).val().split(';');
+        /**
+         *  same parameters for every delete call, except the list of (CHUNKSIZE) records
+         *  nb: do NOT ask to delete children since they're included in lst
+         */
+        var ajaxParms = {
+            type:     $form.attr("method"),
+            url:      $form.attr("action"),
+            data:     {
+                'lst':          ""      // set in f
+            },
+            dataType: "json"
+        };
+        var runningTasks = 0,   // number of running tasks
+            canceling = false;
+        /**
+         * cancel or close dlg will ask tasks to stop
+         */
+        var fCancel = function () {
+            $closeButton.hide();
+            $cancelButton.hide();
+            $loader.show();
+            canceling = true;
+        };
+        /**
+         * task fct : will loop itself while there is job to do
+         *
+         * @param iTask     (int) The task number 0...MAXTASKS-1, usefull only to debug
+         */
+        var fTask = function (iTask) {
+            if (canceling) {
+                return;
+            }
+            // pop & truncate
+            ajaxParms.data.lst = lst.splice(0, CHUNKSIZE).join(';');
+            $.ajax(ajaxParms)
+                .done(function (data) {     // prod feedback only if result ok
+                    $.each(data, function (i, n) {
+                        var $imgt    = $('#IMGT_' + n),
+                            $chim    = $('.CHIM_' + n),
+                            $stories = $('.STORY_' + n);
+                        $('.doc_infos', $imgt).remove();
+                        try {
+                            $imgt.draggable("destroy");
+                        }
+                        catch (e) {
+                            // no-op
+                        }
+                        $imgt.unbind("click")
+                            .removeAttr("ondblclick")
+                            .removeClass("selected")
+                            .removeClass("IMGT")
+                            .find("img")
+                            .unbind();
+                        $imgt.find(".thumb img")
+                            .attr("src", "/assets/common/images/icons/deleted.png")
+                            .css({
+                                width:  '100%',
+                                height: 'auto',
+                                margin: '0 10px',
+                                top:    '0'
+                            });
+                        $chim.parent().slideUp().remove();
+                        $imgt.find(".status,.title,.bottom").empty();
+                        p4.Results.Selection.remove(n);
+                        if ($stories.length > 0) {
+                            p4.WorkZone.refresh();
+                        }
+                        else {
+                            p4.WorkZone.Selection.remove(n);
+                        }
+                    });
+                })
+                .then(function () {    // go on even in case of error
+                    // countdown
+                    $counter.html(lst.length);
+                    $trash_counter.html(lst.length);
+                    if (lst.length === 0 || canceling) {
+                        // end of a task
+                        if (--runningTasks === 0) {
+                            $dialog.Close();
+                            viewNbSelect();
+                        }
+                    }
+                    else {
+                        // don't recurse, give a delay to running fct to end
+                        window.setTimeout(fTask, 10, iTask);
+                    }
+                });
+        };
+        // cancel or close the dlg is the same : wait
+        $dialog.setOption('closeOnEscape', false);
+        $closeButton.unbind("click").bind("click", fCancel);
+        $cancelButton.unbind("click").bind("click", fCancel);
+        // run a bunch of tasks in //
+        for (runningTasks = 0; runningTasks < MAXTASKS && lst.length > 0; runningTasks++) {
+            fTask(runningTasks);    // pass the task his index to get nice console logs
+        }
+    });
+    // $titleBox.prepend('<i class="icon-warning-sign" style="margin-right: 10px"></i>');
+    // by default, do not delete children of stories : uncheck
+    fSetDelChildren(false);
+</script>
\ No newline at end of file
diff --git a/templates/web/prod/actions/delete_records_confirm_form.html.twig b/templates/web/prod/actions/delete_records_confirm_form.html.twig
new file mode 100644
index 0000000000..f24f25570b
--- /dev/null
+++ b/templates/web/prod/actions/delete_records_confirm_form.html.twig
@@ -0,0 +1,48 @@
+{% if records.count() > 0 %}
+    {% if records.rejected().count() > 0 %}
+        <div class="well-small" style="text-align:center;">
+            {{ "You do not have rights to remove all selected documents. Are you sure ?" | trans }}
+        </div>
+    {% endif %}
+
+    <form id="delete-record-form" style="margin: 0;" method="POST" action="{{ path('record_delete') }}">
+        <input type="hidden" value="{{ records.serializedList() }}" name="lst"/>
+        {% if trashableCount > 0 %}
+            <div class="well-small label-important"
+                 style="background-color: #ffef22;">
+                <div class="dialog-left-section">
+                    <img src="/assets/common/images/icons/icon_collection_bin.png"/>
+                </div>
+                <div class="dialog-right-section" style="margin-top: 8px;">
+                    <span class="to_trash_count">{{ trashableCount }}</span> {{ "prod:app trash: record-move-to-trash" | trans }}
+                </div>
+            </div>
+        {% endif %}
+        {% if deletableCount > 0 %}
+            <div class="well-small label-important"
+                 style="background-color: #ed1c24;">
+                <div class="dialog-left-section">
+                    <img src="/assets/common/images/icons/icon_empty_bin.png"/>
+                </div>
+                <div class="dialog-right-section">
+                    <span class="to_delete_count">{{ deletableCount }}</span> {{ "prod:app trash: record-to-delete" | trans }}
+                </div>
+            </div>
+        {% endif %}
+        <div class="form-actions" style="background-color:transparent;">
+            <button type="button" class="btn btn-danger submiter">{{ "Ok" | trans }}</button>
+            <button type="button" class="btn cancel">{{ "Cancel" | trans }}</button>
+            <span class="form-action-loader" style="display:none;">
+                <img src="/assets/common/images/icons/loader000.gif"/>
+            </span>
+        </div>
+    </form>
+{% elseif records.received().count() == 0 %}
+    <div class="well-small" style="text-align:center;">
+        <span class="label label-important">{{ "No document selected" | trans }}</span>
+    </div>
+{% else %}
+    <div class="well-small" style="text-align:center;">
+        <span class="label label-info">{{ "You do not have rights to remove selected documents" | trans }}</span>
+    </div>
+{% endif %}
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 4a5be0c837..8e2772476a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7577,10 +7577,10 @@ phraseanet-common@^0.4.5-d:
     js-cookie "^2.1.0"
     pym.js "^1.3.1"
 
-phraseanet-production-client@0.34.160-d:
-  version "0.34.160-d"
-  resolved "https://registry.yarnpkg.com/phraseanet-production-client/-/phraseanet-production-client-0.34.160-d.tgz#3deb3387b54e56aec73b073cae8cc013cc316999"
-  integrity sha512-00jnCOCDrLowL8TE+h8mH+Lg4P0+EQPSDOXN2Lq6KF577GGu0OWQRh2YmUeXkacHTUT4N0u39IsBkkBYqorVnQ==
+phraseanet-production-client@0.34.161-d:
+  version "0.34.161-d"
+  resolved "https://registry.yarnpkg.com/phraseanet-production-client/-/phraseanet-production-client-0.34.161-d.tgz#f0b93e342af25d3064562c1420f24514bb5a94f9"
+  integrity sha512-3nfnMjLctLp5LysO83uuWSrHQ71b+dKd4Tt8mcHV1zQcYKkXQkcXYI5/UBCna/im83zNtpz2/tSPKw5h3j3TDg==
   dependencies:
     "@mapbox/mapbox-gl-language" "^0.9.2"
     "@turf/turf" "^5.1.6"