TOPSHOT - The Death Gun Salute is fired by the 104th Regiment Royal Artillery to mark the passing of Britain's Prince Philip, Duke of Edinburgh, at Cardiff Castle, Cardiff in Wales on April 10, 2021, the day after his death at the age of 99. - Military guns will be fired across Britain and sporting events will fall silent on Saturday as part of worldwide tributes to mark the death of Queen Elizabeth II's husband, Prince Philip. (Photo by Geoff Caddick / AFP)