Detectives are continuing to appeal for information following a murder in Chessington.
Police were called to a car in collision with a man on Moor Lane in Chessington at 00:13hrs on Friday, 26 July.
The driver did not stop and the man was dragged under the car for some distance. Officers attended along with the London Ambulance Service.
Liam Dent, 25, from Chessington, was pronounced dead at the scene, and his next of kin continue to receive support from specialist officers.
A post-mortem examination held at Kingston Mortuary on Saturday, 27 July established cause of death as injuries consistent with a collision.
The car believed to have been involved in the incident, a Ford S Max, was found burnt out on Cyclamen Way in Epsom, approximately one mile from the crime scene. Since then a further two vehicles have been recovered.
On Thursday, 1 August, a 17-year-old male [A] was arrested on suspicion of murder by officers in Surrey on behalf of the Met, and taken to a local police station. He has since been bailed to a date in September.
A 22-year-old man [B] was arrested on suspicion of murder on Thursday, 8 August, at an address in Epsom. He has been released on bail to a date in September.
On Thursday, 15 August, officers arrested two people as part of the investigation. A 19-year-old man [C] was arrested on suspicion of murder. He has been bailed to a date in September.
A 17-year-old girl [D] was arrested on suspicion of assisting an offender. She has since been bailed to return on a date in mid-September.
Any witnesses, or anyone with information that may assist police, should call the incident room number on 020 8721 4622 or 101 quoting CAD 96/26July. To remain anonymous, call Crimestoppers on 0800 555 111.