A man has died after a fight in a busy street in south London.
Scotland Yard said Reginald Ofei-Berko, 25, was found unconscious outside a block of flats in Walworth on Thursday after an altercation with a group of men
He was rushed to hospital after being discovered just after 3pm but died a short time later.
His death is being treated as unexplained pending a post-mortem examination but it is being investigated by murder squad detectives.
They have released CCTV images of Mr Ofei-Berko in a pawnbroker in Walworth Road 80 minutes before he was found in nearby Penrose Street.
Extra reassurance patrols of officers have been deployed in the local area.
Information to the incident room number on 020 83453734 or via 101. Alternatively, they can call Crimestoppers anonymously on 0800 500 111.