Service disruption between Bargoed & Rhymney owing to derailment. Road transport in operation - http://t.co/UMrUOsw6 for more info.
Apologies to customers reporting crowding conditions on Valleys services -owing to derailment number of trains are trapped at Rhymney depot
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Feeling humid with heavy showers and thunderstorms moving north overnight into Sunday.
Four people, including three children, were taken to hospital to be checked for smoke inhalation.
Heavy rain and thunderstorms will affect many parts of Wales this weekend - particularly during Saturday evening.