The Health Safety Executive say they are involved in a joint investigation with North Wales Police into the death of a man at a farm in Llanrug near Caernarfon.
They say they are treating the death as a 'construction incident.'
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A fine day will then follow with plenty of sunshine and light winds.
In this episode, Andrew Price is in north Wales discovering how an underground power station helps to keep the lights on across the UK.
More than 3,000 fewer people died from the effects of stroke between 2010 and 2012 compared to a decade earlier, according to a new report.