A third teenager has been arrested on suspicion of murder following the death of a man in Roehampton.
Detectives investigating the killing of 39-year-old Martin Thomas arrested the 16-year-old this morning.
The suspect has been taken to a south London police station for questioning.
On Saturday a 15-year-old appeared at Wimbledon Magistrates' Court, after being charged with the murder of Mr Thomas at an address in Huntingfield Road.
The boy, who can not be named for legal reasons, is remanded in custody to appear at the Old Bailey on Tuesday, April 29.
A second youth who had been arrested was released on bail this morning.
The 17-year-old will be questioned again in early June following further enquiries.
A murder investigation was launched after police found Mr Thomas suffering serious injuries at 8:15pm on Tuesday April 22.
He died before an ambulance arrived at the scene.
Police are continuing to appeal for information about three men seen loitering in the area prior to the incident.
Anyone with any information should call the incident room on 020 8721 4205 or, to remain anonymous, call Crimestoppers on 0800 555 111.
Did you know Mr Thomas? Call the Wandsworth newsdesk on 020 8722 6343.
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