This was the scene just after Junction 23 on Tuesday morning as severe delays hit the M4. The M48 Severn Bridge closed for hours due to high winds and the M4 Prince of Wales Bridge partially shut for emergency repairs. (Image: John Myers)

The M4 was left in chaos on Tuesday as commuters heading across the border were met with hours of delays for most of the day. During the morning rush hour, it took drivers two hours to get from one side of the bridge to the other. Here' s everything we know about what happened:

Two lanes were closed on the M4 Prince of Wales Bridge from 6am after lighting columns were found to be at immediate risk of collapse.

Repairs could not take place during the day due to high winds from Storm Bram.

The M48 Severn Bridge was closed twice on Tuesday because of h

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