Police are appealing for witnesses after five people were hurt in a crash on the A11 at Elveden in Suffolk.
A Toyota and a VW collided at the Elveden crossroads on Saturday 5 January.
The driver of the VW, a 29-year-old man from Coventry, has been arrested on suspicion of aggravated vehicle taking.
He's being held at West Suffolk Hospital. The driver and three passengers in the Toyota were all taken to hospitals with injuries.