The RCMP have arrested a Montreal boy on terrorism-related charges, alleging he had pledged allegiance to the Islamic State and was planning at least one attack. The Mounties said Wednesday that they arrested the boy without incident in the city’s Côte-des-Neiges–Notre-Dame-de-Grâce borough, and police were still searching a four-storey apartment there Wednesday afternoon. Authorities did not release the minor’s name or age. Corporal Érique Gasse said the public was never in danger and that police began their investigation in April. The RCMP found the boy allegedly intended to acquire weapons, such as AK-47s, for the attack. “He made those comments...