The East of England Ambulance service says 2 patients have been seriously injured in the A1 coach crash at Diddington.
It says they were taken to Addenbrooke's Hospital while a further eleven patients were taken to Hinchingbrooke Hospital with minor injuries.
The trust sent five ambulance crews and three rapid response vehicles to the scene.
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A woman in her 20s has died after the car she was driving crashed into a water-filled ditch. Her passenger managed to escape.
A bright start but there's rain on the way.
Windy with heavy rain during the evening. Mainly dry thereafter.