Prime Minister Theresa May and French President Emmanuel Macron have joined D-Day veterans in northern France to mark the 75th anniversary of the Normandy invasion.
Mrs May and the French president attended an inauguration ceremony for a memorial to honour the British troops who died in the Battle of Normandy. US President Donald Trump is also joining Mr Macron at the US war cemetery at Omaha Beach.
Here are pictures of events on Thursday.
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A lone piper started the day's commemoration events by playing on the Mulberry harbour, at Arromanches, in Normandy, marking the exact moment the first British soldier landed on Gold Beach, 75 years ago
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Mrs May attended a ceremony in Ver-sur-Mer, the town where British forces landed on the morning of 6 June 1944, to lay the first stone at the British Normandy Memorial
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Mr Macron thanked British soldiers killed and injured in the fighting, and called it an "anomaly" and "intolerable" that there had been no memorial in Normandy until now
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The commemoration event at the British Normandy Memorial site was attended by D-Day veterans
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Mrs May and Mr Macron then laid a wreath together at the memorial
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The new memorial statue shows three British soldiers fighting their way up the beach
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Residents and visitors were seen on the beach of Arromanches in Normandy, paying tribute to the fallen and injured soldiers of D-Day
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Period vehicles from the 1940s were also seen on the beach
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Some people dressed as soldiers as part of the commemorations of the Allied landings in Normandy
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Mr Macron (centre) met with French World War Two veterans Jacques Lewis (left) and Leon Gautier (right) in Bayeux, Normandy
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At Bayeux Cathedral, veteran Tony Cash arrived with friends ahead of a service of remembrance
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Mr Cash, above, was one of a number of D-Day veterans and their families at the service
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Dignitaries attending included Prime Minister Theresa May, the Prince of Wales, the Duchess of Cornwall and Labour leader Jeremy Corbyn
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Bishop Jean-Claude Boulanger led the service, which included a two minute silence held in memory of those who died
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After the service, the commemorations continued at Bayeux war cemetery
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Reginald Perkins was one of the veterans at the service
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There was a flypast of period aircraft over Bayeux war cemetery during the memorial
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In Bayeux, D-Day veteran John Quinn met George Sayer, aged 6
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In Colleville-sur-Mer in Normandy, President Trump and First Lady Melania Trump joined veterans for a French-US ceremony
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Mr Trump gave a speech, saying the "exceptional might" of US forces on D-Day "came from a truly exceptional spirit"
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President Trump, First Lady Melania Trump, French President Emmanuel Macron and his wife Brigitte Macron watched a dramatic flypast over the Normandy American Cemetery
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In the UK, Prince William attended a service at the National Memorial Arboretum in Staffordshire, giving a speech in which he thanked veterans
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The Duke of Cambridge laid a wreath in remembrance
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At Royal Hospital Chelsea in London, Prince Harry met veterans at the annual Founder's Day parade
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The annual parade marks the founding of the Royal Hospital by King Charles II in 1682. The Duke of Sussex said: "To all who are on parade today, I can only say that you are a constant reminder of the great debt we owe those who have served this nation"