A 21-year-old has been arrested on suspicion of murdering a man who died five days after he was stabbed multiple times.
The man, also 21, was stabbed in Molesworth Street, Lewisham at around 8.40pm on April 30.
He remained in hospital in a critical condition until early on Thursday 5 May, when he died.
Next of kin have been told but formal identification is yet to take place.
A post-mortem found he died as the result of stab wounds to the chest.
The arrested man was brought in for questioning on Saturday and bailed on Sunday until early August, pending further inquiries.
Any witnesses or anyone with information should call 020 8345 3775 or Crimestoppers anonymously on 0800 555 111.