A woman was arrested on suspicion of careless driving following a crash that left a woman trapped in a car.
The collision, which involved a silver Toyota Aygo and a yellow Peugeot 107, happened yesterday at about 3pm on Steeple Road, Latchingdon.
The road was closed while the fire service used cutting equipment to release a woman trapped in the Aygo.
Six people were injured, one seriously.
A woman in her 50s from Steeple was arrested on suspicion of careless driving and has been released on police bail pending further enquiries until July 16.
Any witnesses should call police on 101.