The news prompted speculation about the royals’ health – and assurances that there is no cause for concern.
After more than 22,000 official engagements since 1952, some visitors and locals in London believe he has earned a rest.
“Prince Philip has worked very hard over many years, a bit controversial at times. He’s never hesitated to speak his mind. But he’s been belted up a few times by the media with criticism, some justified and some not. Overall I think he has done a pretty good job,” said Clem Collins, an Australian tourist outside Buckingham Palace.
“It was only a matter of time really. I’m actually a massive fan. It will be sad to see him go, he makes some really funny comments, sometimes,” added Briton Georgina Whittaker.
The Duke of Edinburgh is Patron, President or a member of over 780 organisations, with which he will continue to be associated. pic.twitter.com/lH2zsYKXsp