TORONTO—The apparent drowning death of an internationally prominent Pakistani dissident whose body was pulled from the water near downtown Toronto sparked anger, grief and suspicion on Tuesday. Police said they had found Karima Mehrab, 37, dead on Monday. Mehrab, widely known as Karima Baloch, had been reported missing a day earlier. “It is currently being investigated as a non−criminal death,” Toronto police said in a statement. “There are not believed to be any suspicious circumstances.” However, a close friend and fellow activist told The Canadian Press that Mehrab had recently received death threats, and he and her family were deeply suspicious about what had happened to her. “Her husband got messages from unknown people saying they would give a Christmas gift to Karima she will never forget,” Lateef Johar said in an interview. While police offered no details about the death, Johar said officers had told her family she was …