Girl,15, Stabbed To Death On Way To School In Latest Knife Attack In London

London mayor Sadiq Khan said he was "heartbroken" by the fatal incident and pledged to "continue working day and night to end the scourge of knife crime in our city".

London police said they had arrested a teenager after a 15-year-old girl was stabbed to death on her way to school on Wednesday, stoking fresh concern about the scale of knife crime in the UK.

Emergency services including an air ambulance were called to the scene in Croydon, south London, at around 8.30 am (0730 GMT) following reports of a stabbing.

Paramedics battled to save the girl but she was pronounced dead at the scene 50 minutes later, police said, adding that a 17-year-old boy was later arrested.