First Great Western have now confirmed that all planned main line services will run as timetabled, but passengers are warned to expect minor delays.
Commuters faced major delays to rail services this morning, following a landslide between Cardiff Central Station and Queen Street Station.
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Organisers say there will be increased security at the Urdd National Eisteddfod, which began in Bridgend today.
Any remaining heavy or thundery showers will clear eastwards this evening.
Over 70 firefighters are currently tackling the fire, which is now confirmed to be at a scrap yard.