A man has been charged with manslaughter following an investigation into the deaths of four men at Gleision Colliery in September 2011.
Malcolm Fyfield, 57, has been charged with four counts of gross negligence manslaughter and will appear at Neath Magistrates Court on February 1st.
The four men – Philip Hill, 44, Charles Breslin, 62, David Powell, 50 and Garry Jenkins, 39 - died after becoming trapped in the mine on 15th September 2011.
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A group of ex-servicemen have become the first people to climb Pen y Fan in the Brecon Beacons for 24 hours non-stop.
Thousands of athletes are in Tenby for the competition which consists of a two mile swim, a 112 mile cycle ride and a marathon.