M4 traffic live: Serious crash closes motorway as air ambulance called to scene

Wiltshire police statement: multi-vehicle collision on M4

Police said: Emergency services are currently in attendance at a serious collision on the M4. The collision happened just inside the Wiltshire border between Junction 17 Chippenham and Junction 18 Bath at approximately 9.10am.

Multiple vehicles are involved, including an HGV. The M4 is closed in both directions at Junction 17 while emergency services are in attendance. Due to the nature of the collision and the vehicles involved, this closure is likely to remain in place for some time.

Drivers should avoid the area if possible.

Anyone with information should call 101 and quote log number 93 of today.