The Duke of Edinburgh has started his official duties in Toronto, Canada by meeting members of the Royal Canadian Regiment.
2013 is the 60th anniversary of his role as the regiment's colonel-in-chief.
More top news
A British scientist says the age women may be able to conceive children could soon be significantly extended.
Simon Cowell admitted he was "so embarrassed" after his shirt burst open during an X Factor audition.
Following the promise of further powers for Scotland, David Cameron is now talking about a new deal for the other home nations.