London

Royal visit to Cavalry Barracks - Hounslow...Members of the Irish Guards during a visit by the Duke of Cambridge to the regiment's St Patrick's Day parade at Cavalry Barracks in Hounslow, west London. PRESS ASSOCIATION Photo

Heathcliff O'Malley/The Daily Telegraph/PA

Members of the Irish Guards during a visit by the Duke of Cambridge to the regiment’s St Patrick’s Day parade at Cavalry Barracks in Hounslow, west London 

Passengers ride an escalator at Canary Wharf tube station in London

Kevin Coombs/Reuters

Passengers ride an escalator at Canary Wharf tube station in London on Tuesday

Royal visit to Prince's Trust Centre...Queen Elizabeth II during a visit to the Prince's Trust Centre in Kennington, London, to mark the 40th anniversary of the charity. PRESS ASSOCIATION Photo. Picture date: Tuesday March 8, 2016. See PA story ROYAL Trust. Photo credit should read: Chris Jackson/PA Wire

Chris Jackson/PA

Queen Elizabeth II visits the Prince’s Trust Centre in Kennington, London, to mark the 40th anniversary of the charity 

UCI World Track Cycling Championships

© Andrew Winning/Reuters

UCI World Track Cycling Championships, London, Italy compete in the men’s team pursuit qualifying round.

A woman walks through artwork created by artist Filippo Minelli in his series Silence / Shapes in Somerset House

Kirsty Wigglesworth/AP

A woman walks through artwork created by artist Filippo Minelli in his series Silence / Shapes, in Somerset House courtyard, London

Trading Ring Unveiled Inside London Metals Exchange's New Premises...Traders, brokers and clerks shout and gesture on the trading floor of the open outcry pit at the London Metal Exchange (LME), at their new premises on Finsbury Square, in London, U.K in London, U.K., on Thursday, Feb. 18, 2016. The new LME ring has capacity to host 14 members. Photographer: Chris Ratcliffe/Bloomberg

Chris Ratcliffe/Bloomberg

Traders, brokers and clerks shout and gesture on the trading floor of the open outcry pit at the London Metal Exchange (LME), at their new premises on Finsbury Square, in London, U.K 

Transport for London Lost Property ...Transport for London worker Paul Burke pushes a trolley loaded with items of lost property at the Transport for London Lost Property Office, in central London, which sorts and stores the items left on London's public transport system. PRESS ASSOCIATION Photo. Issue date: Monday February 1, 2016. Last year 22% of the 302,714 items handed in were returned to their rightful owners including a brown envelope containing £15,000 and an urn of ashes that had been kept by workers at the lost property office for almost seven years. See PA story TRANSPORT Property. Photo credit should read: Dominic Lipinski/PA Wire

Dominic Lipinski/PA

Transport for London worker Paul Burke pushes a trolley loaded with items of lost property at the Transport for London Lost Property Office, which sorts and stores the items left on London’s public transport system. Last year 22% of the 302,714 items handed in were returned to their rightful owners, London 

London seen from space

Tim Peake/ESA/NASA

Astronaut Tim Peake’s photo of London viewed from the space station

Gallery assistants pose with the painting 'La Lecon de piano' by Henri Matisse during a media preview of Impressionist and Modern Art Evening Sale at Sotheby's in London...Gallery assistants pose with the painting 'La Lecon de piano' by Henri Matisse during a media preview of Impressionist and Modern Art Evening Sale at Sotheby's in London, Britain January 28, 2016. The picture is estimated to sell for between 12 -18 million British pounds when it is auctioned on February 3 in London.REUTERS/Stefan WermuthEDITORIAL USE ONLY. NO RESALES. NO ARCHIVE

Stefan Wermuth/Reuters

Gallery assistants pose with the painting ‘La Lecon de piano’ by Henri Matisse during a media preview of Impressionist and Modern Art Evening Sale at Sotheby’s in London

A construction worker stands in front of a piece of street art portraying prospective U.S. Presidential candidate Donald Trump, in east London...A construction worker stands in front of a piece of street art portraying prospective U.S. Presidential candidate Donald Trump, in east London, January 28, 2016. An online petition to bar Trump from entering the United Kingdom recently triggered a debate in Parliament after if was signed by over 500,000 people. REUTERS/Andrew Winning EDITORIAL USE ONLY. NO RESALES. NO ARCHIVE

Andrew Winning/Reuters

A construction worker stands in front of a piece of street art portraying prospective U.S. Presidential candidate Donald Trump, in east London

Project Awesome exercise session...Participants exercise during a Project Awesome exercise session at the Scoop, City Hall, London. PRESS ASSOCIATION Photo. Picture date: Wednesday January 27, 2016. Project Awesome is a free fitness movement in London and uses a simple sense of accountability to motivate and encourage people of all ages, shapes, sizes and fitness levels to exercise at the Scoop and Primrose Hill. Photo credit should read: Anthony Devlin/PA Wire

Anthony Devlin/PA

Participants exercise during a Project Awesome exercise session at the Scoop, City Hall, London. Project Awesome is a free fitness movement in London and uses a simple sense of accountability to motivate and encourage people of all ages, shapes, sizes and fitness levels to exercise

Marina Litvinenko, widow of former Russian spy Alexander Litvinenko, reads a statement outside the Royal Courts of Justice in London, Thursday, Jan. 21, 2016. British judge Robert Owen is set to release Thursday the findings of a lengthy public inquiry into the 2006 poisoning death of former Russian spy Alexander Litvinenko. One day in 2006, Litvinenko a former KGB agent who claimed to know dark Kremlin secrets had tea with two Russian men at the hotel. Three weeks later, he died of radioactive poisoning ó after making a deathbed claim that Russian President Vladimir Putin had ordered his killing. (AP Photo/Kirsty Wigglesworth)

Kirsty Wigglesworth/AP

Marina Litvinenko, widow of former Russian spy Alexander Litvinenko, reads a statement outside the Royal Courts of Justice in London. British judge Robert Owen is set to release Thursday the findings of a lengthy public inquiry into the 2006 poisoning death of former Russian spy Alexander Litvinenko. 

A section of "The Travellers" by Cedric Le Borgne is seen suspended above St. James's Square before being illuminated as part of the "Lumiere" festival in London...A section of "The Travellers" by Cedric Le Borgne is seen suspended above St. James's Square before being illuminated as part of the "Lumiere" festival in London, Britain January 14, 2016. The event which takes place over four evenings in the capital sees the illumination of famous landmarks, and the display of artworks by international artists.

Toby Melville/Reuters

A section of “The Travellers” by Cedric Le Borgne is seen suspended above St. James’s Square before being illuminated as part of the “Lumiere” festival in London, Britain

Phyllida Barlow photocall...A member of staff looking at artist Phyllida Barlow's piece untitled: upturned house, 2 (2012), a new acquisition which goes on display at the Artist Rooms in Tate Modern, London, from 14 January. PRESS ASSOCIATION Photo. Picture date: Thursday January 14, 2016. Photo credit should read: Yui Mok/PA Wire

Yui Mok/Pa

A member of staff looks at artist Phyllida Barlow’s piece untitled: upturned house, 2 (2012), a new acquisition which goes on display at the Artist Rooms in Tate Modern, London 

Junior Doctors Stage 24 Hour Strike Across NHS In England...LONDON, UNITED KINGDOM - JANUARY 12:  A junior doctor carries a placard as she walks to join a picket outside Kings College Hospital on January 12, 2016 in London, United Kingdom. Junior doctors in England have gone on strike in a dispute with the government over a new contract. The doctors are only providing emergency cover during the 24-hour walkout, which started at 8:00am with the NHS so far postponing 4,000 routine treatments.  (Photo by Carl Court/Getty Images)

Carl Court/Getty

A junior doctor carries a placard as she walks to join a picket outside Kings College Hospital in London. Junior doctors in England have gone on strike in a dispute with the government over a new contract 

A women lays flowers at a mural of British singer David Bowie in Brixton, birth place of the late David Bowie in London, Britain, 11 January 2016. Well-wishers have flocked to the Bowie mural to pay their respects following the announcement of his death. According to reports quoting David Bowie's son and his official Facebook page, Bowie, 69, has died on 10 January 2016 after a battle with cancer.

Andy Rain/EPA

A women lays flowers at a mural of British singer David Bowie in Brixton, birth place of the late David Bowie in London, Britain, on Monday. Well-wishers have flocked to the Bowie mural to pay their respects following the announcement of his death

Children look at Humboldt penguins swim in their pool during the stock take at London Zoo in London, Britain January 4, 2016

Stefan Wermuth/Reuters

Children look at Humboldt penguins swim in their pool during the stock take at London Zoo in London today

Fireworks explode over the River Thames and the Palace of Westminster as the New Year's Day celebrations begin in London.

Alastair Grant/AP

Fireworks explode over the River Thames and the Palace of Westminster as the New Year’s Day celebrations begin in London. 

Armed police officers in Westminster, London, as thousands of police including increased numbers of firearms officers will be on duty as the capital ushers in the New Year tonight. PRESS ASSOCIATION Photo. Picture date: Thursday December 31, 2015. Scotland Yard said there will be around 3,000 officers across central London as mayor Boris Johnson's fireworks display with Unicef brings in 2016. See PA story SOCIAL Year. Photo credit should read: Stefan Rousseau/PA Wire

Stefan Rousseau/PA

An armed police officer in Westminster, London. Thousands of police including increased numbers of firearms officers will be on duty as the capital ushers in the New Year tonight 

St Paul's Choristers prepare to sing during a rehearsal at St Paul's Cathedral on Wednesday in London, England. It is estimated that on the 23rd, 24th and 25th of December alone, more than 10,000 people will come through the doors of St Paul's for Christmas services

Carl Court/Getty Images

St Paul’s Choristers prepare to sing during a rehearsal at St Paul’s Cathedral on Wednesday in London, England