THE M6 was closed by a crash involving four cars this afternoon.

An accident involving for vehicles, including a car and a van, shut the northbound carriageway between junction 20 at Lymm and junction 21 at Woolston shortly before 4.30pm.

Emergency services are on the scene, but it is thought that only minor injuries have been sustained by casualties.

And all lanes have now reopened.

Long delays are reported back to junction 19 at Knutsford.