A MAJOR road off the M4 has been closed by police after a car crash.

The A429 is closed from Junction 17 of the M4 north to Malmesbury following the accident near Corston.

Wiltshire Police have tweeted: "Please be aware the A429 is still closed in both directions.

"This is due to a serious road traffic collision near Corston.

"All emergency services are at the scene and the road is not likley to be open before 10pm"