A motorcyclist has been airlifted to hospital following a serious collision near the centre of Northampton.
Police, fire and ambulance services are currently at the scene of the crash between a car and a motorbike in Tollgate Way, Sixfields, which was reported at 3.30pm.
A spokeswoman for Northamptonshire Fire and Rescue said the service has been called to clear up an oil spill as a result of the collision, near the roundabout with Westgate Road.
Tollgate Way is closed in the northbound direction.
Roads in the area around Sixfields roundabout are experiencing severe delays due to the incident, in particular, those travelling into town on the A4500 Weedon Road.