THE emergency services have closed a stretch of the A4042 in Torfaen following a crash.

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UPDATE 4.20PM: The road has been re-opened by police.

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Gwent Police said they are attending the scene, near the McDonald's roundabout east of Pontypool.

The northbound carriageway is closed and diversions are in place, the police added.

One vehicle – a Vauxhall Vivaro van – is involved in the incident, and no injuries have been reported, a spokesman for the force said.

Paramedics and the fire service also attended the scene, he said.

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South Wales Argus: A traffic map showing the incident (warning sign) and nearby congestion (orange/red lines). Picture: AAA traffic map showing the incident (warning sign) and nearby congestion (orange/red lines). Picture: AA

The latest traffic reports said the crash was affecting traffic on all approaches to the McDonald's roundabout.

Drivers have been asked to avoid the area if possible.

More to follow.