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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Cloudy with outbreaks of rain, mainly easing by dawn and lows of 7 deg C (45 deg F) overnight
The RSPCA's warning people about disposing of fishing litter correctly after a swan was found with a fishing hook through its tongue.
After a bright start it will become increasingly cloudy with rain later and top temperatures of 17 deg C (63 deg F)