diff --git a/doc/swagger.yaml b/doc/swagger.yaml
index f7f893b..87c6be4 100644
--- a/doc/swagger.yaml
+++ b/doc/swagger.yaml
@@ -214,6 +214,23 @@ paths:
             type: array
             items:
               type: string
+  '/session/wipe/{id}':
+    get:
+      tags:
+        - session
+      summary: Wipe the session and all associated data
+      produces:
+        - application/json
+      parameters:
+        - name: id
+          in: path
+          required: true
+          type: integer
+          format: int64
+          description: Id of the session
+      responses:
+        '200':
+          description: Session was wiped
   '/poll/vote/{id}/{mid}':
     post:
       tags:
diff --git a/src/controllers/session-controller.php b/src/controllers/session-controller.php
index 44123c9..d918734 100644
--- a/src/controllers/session-controller.php
+++ b/src/controllers/session-controller.php
@@ -185,7 +185,12 @@ public function requiresPassword($id = 0)
   // URL: /api/session/membercheck/{id}/{mid}
   public function membercheck($sid, $mid)
   {
-    $session = $this->getSession($sid);
+    try{
+      $session = $this->getSession($sid);
+    }
+    catch(Exception $e){
+      return new BoolResponse();
+    }
     foreach($session->getMembers() as $member) {
       if($member->getId() == $mid) {
         return new BoolResponse(true);
@@ -224,6 +229,27 @@ public function cardsets()
     return $this->cardSets;
   }
 
+  // Wipe all data from the session
+  // URL: /api/session/wipe/{id}
+  public function wipe($id)
+  {
+    // Fetch session and verify token
+    $session = $this->getSession($id);
+    if (!$this->verifyToken($session))
+      return;
+    // Clear and wipe polls
+    $session->setCurrentPoll(null);
+    foreach($session->getPolls() as $poll)
+      $this->entityManager->remove($poll);
+    // Wipe all members
+    foreach($session->getMembers() as $member)
+      $this->entityManager->remove($member);
+    $this->entityManager->flush();
+    // Remove session object
+    $this->entityManager->remove($session);
+    $this->entityManager->flush();
+  }
+
   // Set the token cookie for this session 
   // with additional parameters for expiration and path
   private function setCookie($session, $token = null)
diff --git a/src/css/scrumonline.css b/src/css/scrumonline.css
index 228c825..94f0d63 100644
--- a/src/css/scrumonline.css
+++ b/src/css/scrumonline.css
@@ -43,6 +43,9 @@ footer {
 div.row.topic {
   margin-bottom: 20px;
 }
+button.wipe {
+  margin-top: 10.75px;
+}
 div.topic .form-control {
    width: 280px;
 }
diff --git a/src/js/main.js b/src/js/main.js
index ac634d6..c5c670d 100644
--- a/src/js/main.js
+++ b/src/js/main.js
@@ -340,6 +340,17 @@ scrum.app.controller('MasterController', function ($http, $routeParams, $locatio
   this.remove = function (id) {
     $http.delete("/api/session/member/" + self.id + "/" + id);  
   };
+
+  // Wipe the session and redirect
+  this.wipe = function () {
+    var confirmed = confirm("Do you want to delete the session and wipe all associated data?");
+    if (!confirmed)
+      return;
+      
+    $http.delete('/api/session/wipe/' + self.id).then(function (response){
+      $location.url("/404.html"); // Redirect to 404 when we wiped the session
+    });
+  }
   
   // Select a ticketing system
   this.selectSource = function(source) {
diff --git a/src/templates/master.php b/src/templates/master.php
index cba5d4b..c97a1d9 100644
--- a/src/templates/master.php
+++ b/src/templates/master.php
@@ -4,7 +4,10 @@
 ?>
 <!-- Headline -->
 <div class="row">
-  <div class="col-sm-10 col-md-11">
+  <div class="col-xs-12 col-sm-1">
+    <button class="btn btn-lg btn-danger wipe" ng-click="master.wipe()">Wipe</button>
+  </div>
+  <div class="col-xs-10 col-sm-8 col-md-10">
     <h1>{{ master.id }} - {{ master.name }}</h1>
   </div>
   <div class="hidden-xs col-sm-2 col-md-1">
@@ -67,7 +70,7 @@
   <!-- Team list and complete button -->
   <div class="col-xs-12 col-md-5" ng-if="!master.teamComplete">
     <h2>Team</h2>
-    <il class="list-group">
+    <ul class="list-group">
       <!-- Iterate over votes as they represent members as well -->
       <li class="list-group-item" ng-repeat="member in master.votes track by member.id">{{$index + 1}}. {{member.name}}</li>
     </ul>