Commemorations have taken place at Tyne Cot Cemetery to mark 100 years since the start of the Battle of Passchendaele - also known as the Third Battle of Ypres
Reuters
Prince Charles and Belgium's King Philippe attended the commemorations
AFP/Getty Images
The Duke and Duchess of Cambridge also attended the ceremony, after taking part in one on Sunday at the Menin Gate in Ypres
AFP/Getty Images
Prince Charles delivered a speech, remembering the "courage and bravery" of the men who fought
EPA
UK Prime Minister Theresa May gave a reading at the ceremony
EPA
Descendants of those who fought in the battle secured tickets to the event in a ballot run by the UK government
AFP/Getty Images
Wreaths were laid by both the Belgian and British royal families
PA
The Duchess of Cambridge laid flowers at the cemetery
EPA
Armed forces attended the service, including the Irish Guards
Getty Images
Buglers played the Last Post to end the ceremony
AFP/Getty Images
The event at Tyne Cot Cemetery followed an evening of events on Sunday in the town of Ypres - including a service at the Menin Gate