Prime Minister David Cameron said news that the Duchess of Cambridge had gone into labour was "very exciting".
Mr Cameron said, "Best wishes to them. A very exciting occasion and the whole country is excited with them. So, everyone's hoping for the best."
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Cloud and rain will continue to spread across Northern Ireland and Scotland through the day. The rain will be accompanied by a strong wind.
A Belgian national has been found guilty of helping to fund terrorism by giving cash from overpaid benefits to a Brussels bombing suspect.
The actor was best known for his role as Maester Aemon in the TV hit and sitcom Porridge.