M4 crashes on Prince of Wales Bridge cause huge motorway delays - live updates

There have been two accidents on the Prince of Wales Bridge on Tuesday afternoon.

One lane is closed westbound and there are delays back to junction 23 because of another accident on the eastbound carriageway. Traffic cameras show long delays in the area.

Traffic Wales says: "Two collisions in the area, travelling in both directions. Eastbound restrictions - lane two and three closed. Westbound restrictions - Lane one closed. Emergency services are on scene. Delays travelling in both directions."