A murder investigation has been launched after the fatal stabbing of a teenager in Southwark.

Officers were called by the London Ambulance Service on May 5 at around 9.30pm to reports of a stabbing on Tiverton Street.

Police found an 18-year-old man suffering from stab injuries.

He was taken to a south London hospital where he died at 10.51pm.

His next of kin have been informed and a post-mortem examination will be held in due course.

Formal identification awaits.

A crime scene remains in place.

There have been no arrests at this time, however a number of active enquiries are in hand including review of local CCTV footage, house to house calls and forensic analysis at the scene.

DCI Leonard said: “We need those who have information about the culprit(s) for this murder to get in touch with police immediately.

"The victim was seen being chased by another male wearing a grey or blue hoody from Newington Gardens into Tiverton Street where he was attacked and shortly after found by police and London Air Ambulance. Were you there? Did you see anything? Your information could prove vital to solving this case and I would urge you to get in touch.”

Anyone with information is requested to call the police incident room on 0208 721 4622. Alternatively, call Crimestoppers anonymously on 0800 555 111.