A £48m project to replace the Loughor Viaduct and upgrade the rail infrastructure between Swansea and Gowerton is one of the improvement schemes currently underway.
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At the moment providing youth services is discretionary, but the former Children's Commisioner Keith Towler wants to change that.
The three day annual event, held this year at Caerphilly castle is expected to attract thousands of visitors.
Dramatic footage of a near escape on the train tracks has been issued as part of the latest rail safety campaign