Arsonist hunted after starting blaze in block of flats in Sheffield as residents slept

An arsonist is being hunted after a fire was started in a block of flats in Sheffield while residents slept in the early hours of this morning.
A fire was started in the stairwell of a block of flats in Sheffield this morningA fire was started in the stairwell of a block of flats in Sheffield this morning
A fire was started in the stairwell of a block of flats in Sheffield this morning

The fire was discovered in a communal stairwell of flats in Washington Road, Sharrow, at 3.30am.

Anyone with information should call South Yorkshire Police on 101.