A sixth arrest has been made by detectives investigating the fatal stabbing of a man in Southwark.
A 31-year-old man [F], was arrested on the evening on Tuesday, 08 August on suspicion of murder. He was taken to a south London police station where he remains in custody.
Police were called at around 02:00hrs on Tuesday, 8 August, to a disturbance in the Old Kent Road, SE15.
Officers attended along with the London Ambulance Service and found a 19-year-old man suffering stab injuries.
He was pronounced dead at the scene at 02:50hrs.
At this early stage, it is believed that the victim was involved in an altercation involving a large group of people outside a nearby venue.
Officers believe they know the identity of the deceased but await formal identification. A post mortem will be held on Wednesday, 9 August.
Next of kin have been informed.
Five people were arrested near to the scene on suspicion of murder:
[A] A 23-year-old man who has been released under investigation.
[B] A 21-year-old man who has been released under investigation.
[C] A 25-year-old woman who has been released and no further action will be taken against her.
[D] A 25-year-old woman who has been released and no further action will be taken against her.
[E] A 23-year-old man who has been released and no further action will be taken against him.
Detectives from the Homicide and Major Crime Command, led by Detective Inspector Domenica Catino, are investigating.
Anyone with information should call the incident room on 020 8721 4622 or 101, or contact police via Twitter @MetCC.
To give information anonymously call Crimestoppers on 0800 555 111 or visit crimestoppers-uk.org.