Part of a major motorway across Berkshire and Wiltshire remains closed during rush hour due to a "serious" collision in the early hours of the morning.

Police have closed the westbound lanes of the M4 from Junction 14 near Hungerford to Junction 15 near Swindon. 

The closure is in place due to a collision between a lorry and a car at around 1am this morning. 

Emergency services, including Wiltshire Police and Wiltshire Air Ambulance, attended the scene.

The emergency services have been contacted for further information. 

National Highways area team are also on scene to treat a fuel spillage.

Diversions are in place that direct drivers to leave the M4 at Junction 14 and join the A338. 

Offering directions to rejoin the M4, a statement from National Highways said: "At the A4 mini roundabout turn right onto the A4 towards Hungerford avoiding Hungerford town centre.

"After a short distance to the next roundabout take the 2nd exit into Charnham Park. 

"Turn right onto the B4192 and follow for approx 13 miles through Aldbourne to the A419 roundabout.

"Take the first exit and join the A419, continue to rejoin the M4 westbound at Junction 15."