A man died and another was taken to a hospital after a fight broke out near a railway station in east London.
Brian Stack, 30, of Rainham, was found with stab wounds in South Street, Romford, on Wednesday afternoon. He died soon afterwards in hospital.
A second man, who suffered minor stab wounds, was arrested after being treated in a hospital.
Romford station was closed for a few hours and rail services suspended as forensic experts examined the area.