A 15-year-old boy from Oxfordshire has been arrested on suspicion of murder. 

The teenager is now being questoined by police after a 19-year-old man was found on Chinnor Road shortly after 7pm last night - read our story in full here. 

Police have previously said the man was 20. 

Residents have also recalled being 'locked down' when police started a man hunt for the killers. 

From the time of arrest police have 24 hours to question a suspect before they are released or charged.

Offiers can apply to CPS and then the Magistrates Court to question somebody for 36 or 96 hours if they are suspected of a serious crime, like murder.