A shooting at a Quebec City mosque during evening prayers left six people dead in an attack that Canada’s prime minister called an act of terrorism. Police initially arrested two men but later said just one remains a suspect. More than 50 people were at the Quebec Islamic Cultural Centre when the shooting erupted Sunday night. In addition to the six who died, five were in critical condition and 12 others suffered minor injuries, University of Quebec Hospital Centre spokeswoman Genevieve Dupuis said Monday. The dead ranged in age from 35 to 65. Quebec City court clerk Isabelle Ferland identified...