By Kevin Light SAANICH, British Columbia (Reuters) -Canadian police shot dead two men during a gunfight on Tuesday at a bank in British Columbia which left six officers injured, and nearby homes were evacuated after the discovery of a possible explosive device, police said. Emergency response team members arrived on the scene at the Bank of Montreal in Saanich, on Vancouver Island, near the border with the U.S. state of Washington, around 11 a.m. (1800 GMT), law enforcement said. “This remains an ongoing police incident with a heavy police presence in the area,” according to a statement posted…