By Marine Strauss BRUSSELS (Reuters) – A police officer was stabbed to death on Thursday evening in the north Brussels commune of Schaerbeek, while another was injured, Belgian media reported on Thursday. Belgium’s federal prosecutors, who handle cases of terrorism and organised crime, were not immediately available to confirm media reports of a suspected terror attack. Belgian newspaper Le Soir said the attacker had threatened a police station earlier in the day before being taken to a hospital for a psychiatric evaluation. “Our police officers risk their lives every day to ensure the safety …