- M4 Newport and Cardiff crashes cause congestion BBC
- M4 CLOSED: All drivers trapped after serious police incident and crash closes Expressway
- Traffic is closed on the M4 and emergency services are at the scene following the Berkshire Live crash
- Crash and police incident close M4 in Cardiff and Newport – live updates Wales Online
- A police car crashed at the roundabout at the M4 junction in Newport South Wales Argus
- See full coverage on Google News
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