Two held as police name teenager stabbed to death in London

Alex Smith, 16, died at the scene in Camden, with two men, 23 and 18, in custody

Detectives investigating the murder of a teenager in north London have formally named the victim and made two arrests.

Alex Smith, 16, from Brent, northwest London, was stabbed multiple times in Munster Square, Camden on Monday after being chased by a group of people. Three young men were heard "screaming and laughing" as they pursued the victim with a machete, according to eyewitnesses.