Boy, 17, questioned over fatal stabbing of schoolgirl in Croydon

Met police commissioner says attack during morning rush hour is impossible to comprehend'

A 17-year-old boy continues to be questioned by detectives after a 15-year-old girl was stabbed to death on her way to school in an attack described by the Met police commissioner as impossible to comprehend".

The girl, who has not been named, died after being attacked during the Wednesday morning rush hour in Croydon, south London, on her way to the private Old Palace of John Whitgift school for girls, where she studied.