Mandatory Credit: Photo by Amer Ghazzal/Shutterstock (11852030b) Coldstream Guards inside the courtyard at Buckingham Palace a day after HRH Prince Philip, the passing of The Duke of Edinburgh who died at the age of 99 years on 9 April 2021 Reaction to death of HRH Prince Philip, Buckingham Palace, London, UK - 10 Apr 2021