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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The wintry weather is continuing across the Anglia region with sleet and snow in many areas. Here is a selection of pictures from viewers.
Cold with further wintry showers which may merge into longer periods of snow after midnight.
A man in his 70s has been badly burned in a flat fire in Norwich