OTTAWA, May 8 (Reuters) – Canada on Monday expelled Toronto-based Chinese diplomat Zhao Wei after an intelligence report accused him of trying to target a Canadian lawmaker critical of China's treatment of its Uyghur Muslim minority. "Canada has decided to declare persona non grata Mr. Zhao Wei," Canadian Foreign Minister Melanie Joly said in a statement. "The decision has been taken after careful consideration of all factors at play." The expulsion escalates already tense Sino-Canadian relations and is likely to prompt China, Canada's second-largest trading partner, to respond. The Chinese embassy in Ottawa had no immediate comment. Spy agency Canadian…