Detectives investigating the death of a man in east London have made a third arrest.
An 18-year-old man [C] from Hainault was arrested on suspicion of murder on Wednesday, 13 May. He was bailed to return on a date in June.
Police were called at 23:57 on Sunday, 19 April to reports of an unconscious man on Peacock Close, E4.
The London Ambulance Service attended and took the man to an east London hospital where he remained in a critical condition. He died on Tuesday, 5 May.
The man has been named as 62-year-old Mark Baker from Chingford. His next of kin has been informed.
A special post-mortem examination took place at Queens Road Mortuary Walthamstow on 7 May and gave provisional cause of death as a head injury.
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.
Another man [A] aged 41, has previously been charged in connection with the investigation.
A 28-year-old man [B] was arrested on suspicion of murder on murder on 6 May and taken into custody. He was bailed to return on a date in June.