Sunwing Airlines says a flight to Panama City was forced to return to Toronto this morning after a passenger made a ``direct threat'' against the aircraft.
The airline said the passenger was arrested after the plane returned to Pearson airport at about 9 a.m.
A report says the plane was escorted back to Toronto by F-16 fighter jets.
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Sunwing flight 772 left Toronto at 7 a.m. with 183 passengers and a crew of six.
The aircraft turned around approximately 45 minutes into the flight over West Virginia.
Sunwing says it will be doing a full security inspection of the plane before returning it to service.
Passengers are expected to depart for Panama in the afternoon.