77-year-old Trevor Elias, from Abertridwr, hasn't been seen since he went missing last week.
More than 300 villagers held a candlelit vigil in Caerphilly for the missing pensioner yesterday.
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A bitterly cold night to come with a widespread frost for much of Wales.
Daniel Ivins takes photographs while out and about in his work as a dam safety inspector.
Talks between Welsh and Scottish ministers with the UK Government have ended without agreement despite a concession from London