diff --git a/actions/groupmembers.php b/actions/groupmembers.php
index 53fee31292..079dad9e94 100644
--- a/actions/groupmembers.php
+++ b/actions/groupmembers.php
@@ -139,14 +139,180 @@ class GroupmembersAction extends Action
     }
 }
 
-class GroupMemberList extends ProfileList {
-
+class GroupMemberList extends ProfileList
+{
     var $group = null;
 
-    function __construct($profile, $group=null, $action=null)
+    function __construct($profile, $group, $action)
     {
         parent::__construct($profile, $action);
 
         $this->group = $group;
     }
+
+    function newListItem($profile)
+    {
+        return new GroupMemberListItem($profile, $this->group, $this->action);
+    }
+}
+
+class GroupMemberListItem extends ProfileListItem
+{
+    var $group = null;
+
+    function __construct($profile, $group, $action)
+    {
+        parent::__construct($profile, $action);
+
+        $this->group = $group;
+    }
+
+    function showActions()
+    {
+        $this->startActions();
+        $this->showSubscribeButton();
+        $this->showGroupBlockForm();
+        $this->endActions();
+    }
+
+    function showGroupBlockForm()
+    {
+        $user = common_current_user();
+
+        if (!empty($user) && $user->id != $this->profile->id && $user->isAdmin($this->group)) {
+            $bf = new GroupBlockForm($this->out, $this->profile,
+                                array('action' => 'groupmembers',
+                                      'nickname' => $this->group->nickname));
+            $bf->show();
+        }
+
+    }
+}
+
+/**
+ * Form for blocking a user from a group
+ *
+ * @category Form
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @author   Sarven Capadisli <csarven@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ *
+ * @see      BlockForm
+ */
+
+class GroupBlockForm extends Form
+{
+    /**
+     * Profile of user to block
+     */
+
+    var $profile = null;
+
+    /**
+     * Group to block the user from
+     */
+
+    var $group = null;
+
+    /**
+     * Return-to args
+     */
+
+    var $args = null;
+
+    /**
+     * Constructor
+     *
+     * @param HTMLOutputter $out     output channel
+     * @param Profile       $profile profile of user to block
+     * @param User_group    $group   group to block user from
+     * @param array         $args    return-to args
+     */
+
+    function __construct($out=null, $profile=null, $group=null, $args=null)
+    {
+        parent::__construct($out);
+
+        $this->profile = $profile;
+        $this->group   = $group;
+        $this->args    = $args;
+    }
+
+    /**
+     * ID of the form
+     *
+     * @return int ID of the form
+     */
+
+    function id()
+    {
+        // This should be unique for the page.
+        return 'block-' . $this->profile->id;
+    }
+
+    /**
+     * class of the form
+     *
+     * @return string class of the form
+     */
+
+    function formClass()
+    {
+        return 'form_group_block';
+    }
+
+    /**
+     * Action of the form
+     *
+     * @return string URL of the action
+     */
+
+    function action()
+    {
+        return common_local_url('groupblock');
+    }
+
+    /**
+     * Legend of the Form
+     *
+     * @return void
+     */
+    function formLegend()
+    {
+        $this->out->element('legend', null, _('Block user from group'));
+    }
+
+    /**
+     * Data elements of the form
+     *
+     * @return void
+     */
+
+    function formData()
+    {
+        $this->out->hidden('blockto-' . $this->profile->id,
+                           $this->profile->id,
+                           'blockto');
+        $this->out->hidden('blockgroup-' . $this->group->id,
+                           $this->group->id,
+                           'blockgroup');
+        if ($this->args) {
+            foreach ($this->args as $k => $v) {
+                $this->out->hidden('returnto-' . $k, $v);
+            }
+        }
+    }
+
+    /**
+     * Action elements
+     *
+     * @return void
+     */
+
+    function formActions()
+    {
+        $this->out->submit('submit', _('Block'), 'submit', null, _('Block this user'));
+    }
 }