M4, A470 and M48 live traffic updates as summer holiday getaway begins

The school summer holidays start in Wales today and the roads are already busy. An accident has closed part of the A48 in Carmarthenshire and there is heavy traffic on parts of the M4 around Cardiff and Newport.

Airport passengers are also being warned of delays across the UK after a power outage caused issues for airlines and airports. You can follow more on that here.

A three-vehicle accident has closed part of the A48 in Carmarthenshire. The road is closed in both directions between Porthyrhyd and Cross Hands - follow our live updates on that here.

Traffic cameras are showing heavy traffic on the M4 heading eastbound between Cardiff and Newport.

Live updates below: