One report said locals in Happy Valley-Goose Bay handed out hot chocolate and helped to ferry passengers to waiting school buses.

Two days after a flight to Yellowknife was diverted to Fort McMurray because of what the RCMP described as an "unruly passenger," another passenger who says he first restrained the man says he saw signs early on in the flight that a situation may develop.

Transport Canada is investigating after a WestJet plane en route to Yellowknife from Calgary was diverted Monday because of an "unruly passenger," the RCMP said.