A MOTORCYCLIST has suffered serious injuries after colliding with a tractor on the A11 this afternoon.

The crash happened at around 3.30pm near Kennett, Newmarket.

Police officers, firefighters and paramedics are on scene and the air ambulance has been requested.

The road is currently blocked and traffic is facing major tailbacks.

The 25-year-old male casualty is in a “serious condition” according to a spokeswoman for the ambulance service.