A major air and sea search operation is underway near Fishguard, Pembrokeshire, amid reports that a plane may have crashed.
Residents in Trefin reported two fast jets flying low overhead just after 7pm. There were also reports of a loud blast moments later.
A rescue helicopter from RAF Chivenor in addition to two all-weather RNLI lifeboats have been called by Milford Haven coastguards.
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The owners of what some people claim to be the 'Welsh Holy Grail' are offering a cash reward for the ancient artefact's safe return.
Staying mostly dry overnight with generally light winds, but cloud and wind will gradually increase from the northwest from the early hours.
In the last programme we've been to meet two Welsh entrepreneurs who chose a different route and we visit the Energy Centre at Coleg Menai.