People living in a large area around Tumbler Ridge, B.C., have been asked to stay inside and lock their doors due to an active shooter at Tumbler Ridge Secondary School. Police say one shooter is dead, but provided few additional details. A STARS Air Ambulance spokesperson confirmed an air ambulance has been dispatched to the area but didn’t give word on patients. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://