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."
More top news
Wet and windy weather spreading across northern and some western parts, with some heavy rain likely across Northern Ireland and Scotland.
Online video giant YouTube has been condemned for failing to take down extremist content including films praising Hitler and the Taliban.
It is much more plausible that Hammond rather than Johnson would end up resigning after May reveals more about the kind of Brexit she wants.