Another teenager murdered in capital

A 15 year old schoolgirl has been found stabbed to death in a lift.

She'd been knifed several times at a block of flats in Southwark in London, she was still wearing her school uniform.

The victim has been named as Arsema Dawit.

Police have arrested a man in his thirties.

The suspect is believed to have been known to Arsema's family.

Police are questioning a man