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The presidential convoy leaves Buckingham Palace on Thursday for a tour of Westminster Abbey

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Police remove a protester's banner at Admiralty Arch. Metal crash barriers have been erected along the route and police officers line the roads at 50-yard intervals

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George Bush and his wife, Laura, watch American service personnel lay a wreath at the Tomb of the Unknown Soldier. They later took a tour of Westminster Abbey

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The presidential party then made its way to Downing Street, where Mr and Mrs Bush were greeted by the Blairs

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Members of Amnesty International, dressed as Guantanamo prisoners, stage a protest at the gates of Downing Street

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Tony Blair with George Bush at Downing Street ahead of a press conference and then a meeting on HIV/ Aids

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Mrs Bush and Mrs Blair, meanwhile, watched a performance of Shakespeare by schoolchildren

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At their joint news conference both men vowed to stay the course in Iraq, with Mr Blair saying they would not "flinch or concede one inch"

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TV chef Nigella Lawson oversaw the lunch menu, which included roast pumpkin, radicchio and feta as starters followed by braised Norfolk ham with a honey and mustard glaze and apple pie for pudding

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Supporters of the Stop The War coalition oppose Mr Bush's visit - protesters marched to join crowds assembled at Trafalgar Square