AN accident on the M4 is causing delays this morning.

Holdups of 30 minutes and traffic queues of five miles are reported following the incident on the M4 Eastbound between J29 A48(M) and J28 A48 / A4072 (Tredegar Park).

Congestion stretches back to J32 A470 / A4054 (Coryton Interchange) and on Eastbound A48(M) to J29a.

All lanes have now been re-opened.

Lane two (Of two) was blocked by a car just after the entry slip road from the A48M.

Police are on scene and the cars have moved behind the cones and out of the live lanes of the carriageway.