Toronto's police chief says there is no evidence to support a claim by the Islamic State terror group that it was behind a deadly shooting in the city's Greektown district The Islamic State claimed that one of its "soldiers" carried out the attack Chief Mark Saunders says investigators have "no evidence to support these claims" The gunman has been identified as 29-year-old Faisal Hussain Hussain's parents have said their son had severe mental health issues all his life and had not responded to treatment Federal Public Safety Minister Ralph Goodale has said Hussain was not on any federal watchlists associated with national security Toronto Police Chief Mark Saunders