diff --git a/.gitignore b/.gitignore
index 2fdbd37a..806b0a96 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@
 /var/
 /vendor/
 /sql/
+/pem/
 ###< symfony/framework-bundle ###
 
 *.swp
diff --git a/src/Controller/APIController.php b/src/Controller/APIController.php
index db83794b..54dcf627 100644
--- a/src/Controller/APIController.php
+++ b/src/Controller/APIController.php
@@ -23,6 +23,7 @@ use App\Ramcar\TradeInType;
 
 use App\Service\InvoiceCreator;
 use App\Service\RisingTideGateway;
+use App\Service\MQTTClient;
 
 use App\Entity\MobileSession;
 use App\Entity\Customer;
@@ -899,7 +900,6 @@ class APIController extends Controller
             'invoice' => $invoice_data
         ];
 
-
         // set data
         $res->setData($data);
 
@@ -1260,7 +1260,7 @@ class APIController extends Controller
         return $res->getReturnResponse();
     }
 
-    public function cancelJobOrder(Request $req)
+    public function cancelJobOrder(Request $req, MQTTClient $mclient)
     {
         $required_params = [
             'jo_id',
@@ -1300,13 +1300,23 @@ class APIController extends Controller
         }
 
         // TODO: check job order status, if it's cancellable
-
+		$cancel_reason = $req->request->get('reason');
         $jo->setStatus(JOStatus::CANCELLED)
             ->setDateCancel(new DateTime())
-            ->setCancelReason($req->request->get('reason'));
+            ->setCancelReason($cancel_reason);
 
         $em->flush();
 
+        // send mobile app event
+        $payload = [
+            'event' => 'cancelled',
+            'reason' => $cancel_reason,
+            'jo_id' => $jo->getID(),
+        ];
+        $mclient->sendEvent($jo, $payload);
+        $mclient->sendRiderEvent($jo, $payload);
+
+
         $res->setData([]);
 
         return $res->getReturnResponse();
diff --git a/src/Controller/JobOrderController.php b/src/Controller/JobOrderController.php
index a4d34fd9..0f0b6721 100644
--- a/src/Controller/JobOrderController.php
+++ b/src/Controller/JobOrderController.php
@@ -1168,6 +1168,7 @@ class JobOrderController extends BaseController
             'event' => 'driver_assigned'
         ];
         $mclient->sendEvent($obj, $payload);
+        $mclient->sendRiderEvent($obj, $payload);
 
         // return successful response
         return $this->json([
@@ -1361,6 +1362,7 @@ class JobOrderController extends BaseController
             'driver_id' => $rider->getID(),
         ];
         $mclient->sendEvent($obj, $payload);
+        $mclient->sendRiderEvent($obj, $payload);
 
         // return successful response
         return $this->json([
@@ -2135,6 +2137,7 @@ class JobOrderController extends BaseController
             'jo_id' => $obj->getID(),
         ];
         $mclient->sendEvent($obj, $payload);
+        $mclient->sendRiderEvent($obj, $payload);
 
         // return successful response
         return $this->json([
diff --git a/src/Controller/RAPIController.php b/src/Controller/RAPIController.php
index 0ad92ebc..8f4533e9 100644
--- a/src/Controller/RAPIController.php
+++ b/src/Controller/RAPIController.php
@@ -368,7 +368,7 @@ class RAPIController extends Controller
                 'job_order' => [
                     'id' => $jo->getID(),
                     'service_type' => $jo->getServiceType(),
-                    'date_schedule' => $jo->getDateSchedule()->format('Ymd'),
+                    'date_schedule' => $jo->getDateSchedule()->format('Ymd H:i:s'),
                     'longitude' => $coord->getLongitude(),
                     'latitude' => $coord->getLatitude(),
                     'status' => $jo->getStatus(),
diff --git a/src/Entity/Rider.php b/src/Entity/Rider.php
index 02bca560..0f5a3116 100644
--- a/src/Entity/Rider.php
+++ b/src/Entity/Rider.php
@@ -106,10 +106,17 @@ class Rider
      */
     protected $password;
 
+    // rider sessions
+    /**
+     * @ORM\OneToMany(targetEntity="RiderSession", mappedBy="rider")
+     */
+    protected $sessions;
+
     public function __construct()
     {
         $this->job_orders = new ArrayCollection();
         $this->schedules = new ArrayCollection();
+        $this->sessions = new ArrayCollection();
         $this->curr_rating = 0;
         $this->flag_available = true;
         $this->flag_active = true;
@@ -307,4 +314,9 @@ class Rider
 
         return $this->job_orders->matching($criteria)[0];
     }
+
+    public function getSessions()
+    {
+        return $this->sessions;
+    }
 }
diff --git a/src/Service/MQTTClient.php b/src/Service/MQTTClient.php
index a8aed8bc..b4bacc75 100644
--- a/src/Service/MQTTClient.php
+++ b/src/Service/MQTTClient.php
@@ -8,6 +8,7 @@ use App\Entity\JobOrder;
 class MQTTClient
 {
     const PREFIX = 'motolite.control.';
+    const RIDER_PREFIX = 'motorider.';
 
     protected $mclient;
 
@@ -36,6 +37,7 @@ class MQTTClient
         if (count($sessions) == 0)
             return;
 
+        // send to every customer session
         foreach ($sessions as $sess)
         {
             $phone_num = $sess->getPhoneNumber();
@@ -43,4 +45,25 @@ class MQTTClient
             $this->publish($channel, json_encode($payload));
         }
     }
+
+    public function sendRiderEvent(JobOrder $job_order, $payload)
+    {
+        // check if a rider is available
+        $rider = $job_order->getRider();
+        if ($rider == null)
+            return;
+
+        // check if rider has sessions
+        $sessions = $rider->getSessions();
+        if (count($sessions) == 0)
+            return;
+
+        // send to every rider session
+        foreach ($sessions as $sess)
+        {
+            $sess_id = $sess->getID();
+            $channel = self::RIDER_PREFIX . $sess_id;
+            $this->publish($channel, json_encode($payload));
+        }
+    }
 }
diff --git a/templates/job-order/form.html.twig b/templates/job-order/form.html.twig
index 9a3d88d0..349c2d68 100644
--- a/templates/job-order/form.html.twig
+++ b/templates/job-order/form.html.twig
@@ -384,7 +384,7 @@
 								</div>
 							</div>
 							<div class="m-form__seperator m-form__seperator--dashed"></div>
-							<div class="m-form__section{{ ftags.invoice_edit ? ' m-form__section--last' }}">>
+							<div class="m-form__section{{ ftags.invoice_edit ? ' m-form__section--last' }}">
 								<div class="m-form__heading">
 									<h3 class="m-form__heading-title">
 										Invoice