Police believe a man shot dead in West Norwood yesterday was killed after an argument between two groups of men at a bus stop.

Police launched a murder investigation after the death of the 20-year-old, who was found with gunshot wounds to the chest in Waylett Place, at the junction with Norwood Road,just after 4.15am.

Three men were arrested near the scene in connection with the incident.

They remain in custody at separate south London police stations.

Police are looking for a number of people believed to have been involved.

London Ambulance Service rushed the gunshot victim to hospital, where he died at 5.33am.

A post mortem was scheduled to take place at Greenwich yesterday at 6pm, but the results have yet to be released by police.

Detective Chief Inspector Caroline Goode from the Metropolitan Police’s Homicide and Serious Crime Command is leading the murder investigation.

She said: "At this early stage we believe there was an altercation between two groups of black men in the vicinity of the bus stop at Waylett Place and Norwood Road which has resulted in this man being killed.

“I would urge anyone who was in the area at the time, and who may have seen or heard anything suspicious, to come forward as you may hold significant information."

Norwood Road was cordoned off while forensic teams looked for clues yesterday.

Police also carried out door-to-door enquiries.

Anyone with information is asked to contact Crimestoppers on 0800 555 111.