As millions marked Armistice Day across the world, members of the public, old soldiers and serving servicemen and women stood in silence for the arrival of Harold Percival's funeral cortege at the crematorium in Lytham St Annes, Lancashire.
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The man, who was in his 30s, has not been identified, while several other people are believed to have suffered serious injuries.
The Olympian was one of several sports stars who opened up to the prince during an event for his mental health charity Heads Together.
There will be sunny spells, with temperatures peaking at 23 Celsius (73F). However, Northern Ireland will experience frequent showers.