A 16-year-old boy has been stabbed to death in north-west London.
Police officers and the London Ambulance Service were called to Munster Square in Camden at about 23:10 BST on Monday.
Scotland Yard said the victim was pronounced dead at the scene and no arrests have been made.
A murder investigation has been launched and a crime scene remains in place. The Met has urged witnesses to come forward.
A large police cordon stretching across a number of roads was in place on Tuesday morning.