The Duke and Duchess of Cambridge have arrived at the National Portrait Gallery.
The first official portrait of the Duchess is set to unveiled this morning.
More top news
A possible ninth planet at the edge of the solar system could be the reason behind one of the biggest mysteries in astronomy.
Philip Thomas was a 10-year-old pupil at Pantglas Junior School in Aberfan when a coal tip collapsed and slid downhill.
The chief executive's resignation comes amid controversy about allegations of doping in cycling.