01/06/2012 01:01 EST | Updated 03/07/2012 05:12 EST

SIU investigates man's death

Ontario’s police watchdog is investigating the death of a man on Shuter Street in downtown Toronto on Friday.

Police say a man with a gun jumped off a building.

The Special Investigations Unit (SIU) is investigating.

The SIU is called in whenever someone is injured or killed in a situation involving the police.