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Hours before mowing down pedestrians with a van in a busy Toronto street on Tuesday, 25-year-old Alek Minassian had posted a 'cryptic' message on Facebook, police said. In one Facebook post, Alek praised a man who killed six college students in California in 2014, before taking his own life, newstalk.com reported. The Toronto Police have suspected that the post might have inspired Alek to carry out the attack.