Overview
- Dorset Police said a 37-year-old Bournemouth woman was pronounced dead at the scene and the coroner has been notified.
- A 28-year-old man from Plymouth was taken to hospital with life-changing injuries.
- A 35-year-old man from Poole was arrested on suspicion of a driving offence and treated for minor injuries.
- The collision just before midnight near the Askerswell turn-off involved a white BMW and a grey BMW on the stretch between Dorchester and Bridport.
- The road between the Monkeys Jump and East Road roundabouts was closed for investigation and recovery, and emergency services said one patient was airlifted to Southampton General Hospital with another taken by land ambulance to Dorset County Hospital.