A major crash has closed a Huntingdonshire road. 

The A1307 Cambridge Road at Fenstanton is blocked following a crash between a tractor and a campervan. 

The collision is understood to have caused a spillage.

Emergency services are now at the scene, including an air ambulance which has since departed, although it is not yet clear whether anyone has been injured.

The westbound carriageway is blocked as a result of the crash, which was reported at around 9.20am. 

A spokesperson for Cambridgeshire Constabulary said: "We were called at about 9.20am today (Monday July 8) with reports of a collision between a campervan and a tractor on the A1307 at Fenstanton towards Huntingdon.

"Emergency services are currently at the scene and the road is closed at St Ives. 

"Details of injuries are unclear at this stage."