AN ACCIDENT has closed both carriageways of the A48 near Newport.

We will be updating this story as more details emerge.

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*Update 12.30pm*

THE A48 has now been re-opened following this morning's accident.

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*Update 11.38am*

The eastbound carriageway of the A48 is now open, according to Gwent Police.

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*Update 9.55am*

ACCORDING to traffic reports, vehicles are getting stuck in several narrow lanes around the area of the crash, as motorists try to find a new route.

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*Update 9.43am*

A STATEMENT from Gwent Police has confirmed there were injuries reported in the crash, which involved four vehicles.

A silver Vauxhall Sportive van, a silver Renault Clio, a white Ford Transit van, and a white Mercedes Bluefficency Sport were involved.

The injuries are not currently believed to be life-changing, the police spokeswoman said.

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*Update 9.06am*

NEWPORT Bus services are being affected as diverted traffic makes its way through the city centre

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A detour is in operation as the emergency services attend the scene, where the road passes through Castleton.

According to traffic, the road is closed to westbound traffic as far back as the roundabout in Coedkernew.

There is a heavy build-up of eastbound traffic on the A48 near Pontprennau and St Mellons, and traffic is building up on the A48(M) at M4 J29.