Detectives are investigating following the death of a man who was found with head injuries in east London.
Police were called at 11.57pm on Sunday, April 19 to reports of an unconscious man on Peacock Close, E4.
The London Ambulance Service took the man to an east London hospital where he died on Tuesday, May 5.
The man has been named as 62-year-old Mark Baker from Chingford. His next of kin has been informed.
A post-mortem examination will be held in due course.
Homicide detectives from the Specialist Crime Command are investigating.
Anyone with information is asked to call the incident room on 020 8345 3775 or stay anonymous by contacting the charity Crimestoppers on 0800 555 111.
A man has previously been charged in connection with the investigation.