A murder inquiry has been launched after a man was stabbed in the back.

The unprovoked attack occurred outside Ocean House in London Road, St Leonards, near Warrior Square station.

A passer-by saw him clutching his wounds and called an ambulance.

He was taken to the Conquest Hospital in Hastings where he was in a critical condition until Sunday, when he died.

The attack took place on July 21 at 10.30pm.