Belgium stabbing suspect 'on extremist watch list'- PublishedProsecutors in Belgium say a man who killed a police officer in the capital Brussels on Thursday was on a list of potentially violent extremists.The suspect shouted "Allahu Akbar" or "God is greatest" during the knife attack, according to a second officer who was also stabbed but survived.Earlier in the day the suspect, who was in his early-30s, visited a police station in the Schaerbeek area of northern Brussels, making incoherent remarks and talking about his hatred of the police.The federal prosecutor's office said the attack is being viewed as assassination and attempted murder in a terrorist context.In a tweet sending condolences to the dead officer's family and friends, Belgium's Prime Minister Alexander De Croo wrote: "Our police officers risk their lives every day to ensure the safety of our citizens."