Harrowing video circulating online shows the moment an apparent gunman engaged in a firefight with cops at a Montreal grocery store on June 22nd which left one cop, a rabbi, and the gunman dead, while another officer was injured. Residents in the city’s Côte-des-Neiges neighborhood were told to take shelter around 12:30 p.m. after a gunman was spotted prowling the area, the Montreal Gazette reported.