A police officer responds to an incident where a van struck multiple people at a major intersection in north Toronto, Ontario, Canada, April 23, 2018.

Witnesses are pictured at the scene of an incident where a van struck multiple people on Yonge Street in Toronto, Ontario, Canada April 23, 2018.

Toronto police investigates an incident where a van struck multiple people at a major intersection in Toronto's northern suburbs in Toronto, Ontario, Canada, April 23, 2018.

Emergency officials cover a body with a tarp at the scene of an incident where a van struck multiple people on Yonge Street in Toronto, Ontario, Canada, April 23, 2018.

A van seized by police lies damaged after an incident where a van struck multiple people at a major intersection in north Toronto, Ontario, Canada, April 23, 2018.

People sit on a balcony and look at the scene of an incident where a van struck multiple people on Yonge Street in Toronto, Ontario, Canada, April 23, 2018.

A witness is pictured at the scene of an incident where a van struck multiple people on Yonge Street in Toronto, Ontario, Canada April 23, 2018.

Toronto police investigates an incident where a van struck multiple people at a major intersection in Toronto's northern suburbs in Toronto, Ontario, Canada, April 23, 2018. REUTERS/Chris Donovan

An Ontario Provincial Police officer responds to an incident where a van struck multiple people at a major intersection in Toronto's northern suburbs in Toronto, Ontario, Canada, April 23, 2018.

A witness is pictured at the scene of an incident where a van struck multiple people on Yonge Street in Toronto, Ontario, Canada April 23, 2018.

A stall keeper tends to her stall at a market in Kota Bharu, Kelantan, Malaysia April 12, 2018. REUTERS/Stringer

A witness speaks to a police officer at the scene of an incident where a van struck multiple people on Yonge Street in Toronto, Ontario, Canada April 23, 2018.