The UK Justice Secretary, Chris Grayling, says the prison which will be built in north Wales will be 'Britain's biggest'.
He says the announcement is a very important part of upgrading Britain's prisons.
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Close interest is being paid in Wales to the recommendations of the Smith Commission for future devolution to Scotland
Cloudy and damp evening and night with low cloud giving hill fog and patchy drizzle.
A Cardiff-born Conservative MP claims her mother died as a result of failings in the Welsh NHS