With Canada continuing to face pressure from the United States to beef up border security, the RCMP says a Black Hawk helicopter started patrolling the Alberta-U.S. boundary on Tuesday.

This data point is one of several key mysteries investigators are exploring as they seek to explain what caused the nation's ...

The RCMP has chartered two Black Hawk helicopters and is using drones to patrol parts of the Canada-U.S. border to try to ...