Pope Benedict XVI's UK visit: Day three

Pope Benedict XVI meets the prime minister, David Cameron, at Archbishop's House. It was the first time the two men have met since the pope arrived in Britain Photograph: Stefan Rousseau/PA

Pope Benedict XVI attends a meeting with deputy prime minister, Nick Clegg, at Archbishop's House Photograph: Stefan Rousseau/PA

Acting Labour leader, Harriet Harman, is welcomed by Pope Benedict XVI. She said they talked about struggles for social justice Photograph: Stefan Rousseau/PA

Nuns wait outside Westminster cathedral before a mass with Pope Benedict XVI Photograph: Kevin Coombs/Reuters

A woman hands out leaflets to passers-by before a mass with the pope at Westminster cathedral Photograph: Kevin Coombs/Reuters

Anne Widdecombe signs autographs before the pope arrives at Westminster cathedral Photograph: John Stillwell/PA

A general view during the mass by Pope Benedict XVI at Westminster cathedral Photograph: Claudio Onorati/EPA

Former British prime minister Tony Blair and his wife, Cherie, attend a mass officiated by the pope in Westminster cathedral Photograph: Andrew Winning/Reuters

Nuns gathered outside listen to a celebration of mass by Pope Benedict XVI in Westminster cathedral Photograph: Sang Tan/AP

A woman dressed as a Pontiff takes part in an anti-pope demonstration near Hyde Park Photograph: Peter Macdiarmid/Getty

Pope Benedict XVI at Westminster cathedral Photograph: Eddie Mulholland

Pope Benedict XVI attends Westminster cathedral for a mass after expressing his sorrow to victims of sexual abuse, saying paedophile priests had brought 'shame and humiliation' on him and the entire Roman Catholic church Photograph: Leon Neal/AFP

Anti-pope protesters drive in an open-top car near Hyde Park Photograph: Peter Macdiarmid/Getty

Pope Benedict XVI addresses pilgrims in Westminster cathedral piazza Photograph: Matt Cardy/Getty

Pope Benedict XVI greets the crowds outside Westminster cathedral after presiding over a mass Photograph: Filippo Monteforte/AFP

Pope Benedict XVI greets crowds gathered outside Westminster cathedral Photograph: Matt Dunham/AP

Pope Benedict XVI speaks with young people gathered outside Westminster cathedral Photograph: Filippo Monteforte/AFP

Anti-pope protesters march towards Downing Street Photograph: Peter Macdiarmid/Getty

Demonstrators with placards march through central London Photograph: Felipe Trueba/EPA

Crowds cheer as the pope visits St Peter's Residence, a care home in Vauxhall Photograph: Pool

Nuns wave during the pope's visit to St Peter's Residence Photograph: Luke Macgregor/AFP

Pope Benedict XVI during a visit to St Peter's Residence Photograph: Adrian Dennis/PA

A wellwisher waits for the Pope's arrival for an open air prayer vigil in Hyde Park Photograph: Felipe Trueba/EPA

The pope is driven past crowds who have congregated along the Mall Photograph: Andrew Winning/Reuters

Demonstrators from the group Muslims Against Crusades gather as the pope travels towards a prayer vigil at Hyde Park Photograph: Paul Hackett/Reuters

Pilgrims await the arrival of the pope at Hyde Park Photograph: Christopher Furlong/Getty Images

Pope Benedict XVI in Hyde Park Photograph: Leon Neal/AFP

Pilgrims in Hyde Park Photograph: Christopher Furlong/Getty Images

A view over Hyde Park from the back of the stage Photograph: Felipe Trueba/EPA

Pilgrims in Hyde Park Photograph: Suzanne Plunkett/Reuters

Pilgrims take part in a prayer vigil in Hyde Park Photograph: Alastair Grant/AP

Pope Benedict XVI at the Hyde Park prayer vigil Photograph: Carl Court/AFP