Detectives investigating an assault in Croydon have released CCTV and images of four men they want to speak to in connection with the incident.
Police are investigating an assault that happened at approximately 1:30am on Wednesday, 1 July on London Road in Croydon.
A man was involved in a fight with four males, who punched and stamped on him. He was taken to hospital where he was treated and discharged.
Approximately two weeks later, on Monday, 13 July, the man was taken to hospital where he died in the early hours of the morning.
He has been named as 40-year-old Simon Whisker. His next of kin have been informed and are being supported by officers.
A special post-mortem examination has been held. The case is not being treated as a murder inquiry.
Extensive enquires have been carried out by detectives but so far there have been no arrests. Enquiries to establish the circumstances continue.
Detectives have released images of four men they would like to speak to in connection with the incident.
Detective Constable Jo Cheung said: “The victim became involved in an altercation with a group of males and was viciously assaulted.
“We are not treating this as a murder inquiry at this time. We just want to find out who was responsible for the attack on Simon.
“I am asking the public to contact us if they recognise any of these males.”
Anyone with information is asked to call police on 101 quoting reference Cad 471/01Jul.