Motorists are advised to delay their trip and avoid the area as there is currently no suitable diversion.

Those already in the area should allow plenty of extra time.

A medical helicopter has landed on the road.

Paramedics are treating a 20-year-old woman for lower limb fractures to both her legs and have confirmed she is in a stable condition.

She remains trapped in the vehicle.

Emergency services are on site, with traffic crews heading to the scene, too.

For the latest traffic information, visit www.livetraffic.com