Ontario's Special Investigations Unit has said a "police-involved shooting" took place at the airport on Thursday morning.

The police said that the man had displayed a firearm. The shooting caused a partial shutdown of Canada’s busiest airport.

A shooting involving a police officer outside Toronto's Pearson International Airport cut off traffic heading to Terminal 1, authorities said Thursday. Peel Regional Police said in a social media post a man was shot and the officer was uninjured. The shooting happened outside the terminal.