A fatal M25 crash involving a vehicle police had tried to stop has been referred to the police complaints watchdog.
At 23:55pm on Dec. 19, a silver BMW smashed into the back of an articulated lorry by the M25's junction 11, near Chertsey.
The BMW's male driver was pronounced dead at the scene. The lorry driver was unhurt.
Surrey Police, who attended the incident, referred the matter to the Independent Police Complaints Commission.
"Police had attempted to stop the vehicle shortly before the collision," said a spokesperson for the force.
The motorway remained closed in the clockwise direction for some hours, before reopening just before 7am.
Motorists travelling to Gatwick and Heathrow airports were most affected.