UPDATED 7.08pm: The crash site has now been cleared, and the traffic is easing.

UPDATED 6.42pm: Traffic is slow both ways on Sunnybank Road, which remains partially blocked.

Delays are most severe southbound between the crash site and the junction with Coed-y-Gric Road.

A CAR is on its roof following a crash at Mountain Lane, off Sunnybank Road in Griffithstown, Pontypool.

Sunnybank Road is partially blocked and there is queuing traffic.