A Sunwing flight bound for Cuba was forced to return to Montreal due to what the airline calls an ``unruly customer.''
A spokeswoman for the company says the plane departed for Cayo Coco Thursday, but turned around due to a passenger making "non-specific threats.''
A spokesman for NORAD says a pair of American fighter jets intercepted the flight near Albany, New York, and escorted it back to Trudeau International Airport.
The airline says the disruptive passenger is now in police custody.