The jury were told they had to consider whether Stephen Freye was voluntarily or involuntarily under the influence of drugs at the time Kyle Griffiths was killed in January after being hit by a car. David Wood reports.
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Leigh Halfpenny, Dan Biggar and Taulupe Faletau have all returned to training after missing their defeat against England at Twickenham.
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Inspectors praised HMP Parc for supporting teenage inmates to have "quality contact" with relatives and friends.