United Kingdom

President Obama Meets With David Cameron At Downing Street...LONDON, ENGLAND - APRIL 22:  President Barack Obama arrives at Downing Street to meet with British Prime Minister David Cameron on April 22, 2016 in London, England.  The President and his wife are currently on a brief visit to the UK where they will have lunch with HM Queen Elizabeth II at Windsor Castle and dinner with Prince William and his wife Catherine, Duchess of Cambridge at Kensington Palace. Mr Obama will visit 10 Downing Street on Friday afternoon where he is to hold a joint press conference with British Prime Minister David Cameron and is expected to make his case for the UK to remain inside the European Union.  (Photo by Dan Kitwood/Getty Images)

Dan Kitwood/Getty

President Barack Obama arrives at Downing Street to meet with British Prime Minister David Cameron in London, England

Britain's Prince Philip, Duke of Edinbur...Britain's Prince Philip, Duke of Edinburgh (L) drives US President Barack Obama (2L), US First Lady Michelle Obama (2R) and Britain's Queen Elizabeth II (R) from the helicopter into Windsor Castle after the Obama's arrived for a private lunch in Windsor, southern England, on April, 22, 2016.  / AFP PHOTO / POOL / GEOFF PUGHGEOFF PUGH/AFP/Getty Images

Geoff Pugh/AFP/Getty

Britain’s Prince Philip, Duke of Edinburgh drives US President Barack Obama, US First Lady Michelle Obama and Britain’s Queen Elizabeth II from the helicopter into Windsor Castle after the Obama’s arrived for a private lunch in Windsor, southern England 

A lampost given to Stratford by the people of Israel stands outside the Royal Shakespear Company

Christopher Furlong/Getty Images

A lampost given to Stratford by the people of Israel stands outside the Royal Shakespeare Company

Birds on Farne Islands...Puffins join Shags and Guillemot birds  on the Farne Islands just off the Northumberland coast for the start of the breading season. PRESS ASSOCIATION Photo. Picture date: Wednesday April 20, 2016. Rangers on one of Britain's most important seabird colonies are hoping for a more successful summer after flooding wreaked havoc last year. See PA story NATURE Puffins. Photo credit should read: Owen Humphreys/PA Wire

Owen Humphreys/PA

Puffins join Shags and Guillemot birds on the Farne Islands just off the Northumberland coast for the start of the breading season. Rangers on one of Britain’s most important seabird colonies are hoping for a more successful summer after flooding wreaked havoc last year 

Britain's Queen Elizabeth II , right, talks to a member of the Royal Guard as she officially opens the new Bandstand at Alexandra Gardens, a day ahead of her 90th birthday, in Windsor, England, Wednesday, April 20, 2016. (Arthur Edwards/Pool Photo via AP)

Arthur Edwards/AP

Britain’s Queen Elizabeth II , right, talks to a member of the Royal Guard as she officially opens the new Bandstand at Alexandra Gardens, a day ahead of her 90th birthday, in Windsor 

Scottish Parliament election 2016 campaign ...Audience members hold the SNP party Scottish Parliament election manifesto up during its launch at the Edinburgh International Conference Centre in Edinburgh, as the party bids for its third term in power. PRESS ASSOCIATION Photo. Picture date: Wednesday April 20, 2016. The manifesto pledged to increase NHS funding by £500 million more than inflation over the five-year course of the next parliament, with Ms Sturgeon describing this as "part of a package of investment and reform to equip the NHS for the future". See PA story POLITICS SNP. Photo credit should read: Andrew Milligan/PA Wire

Andrew Milligan/PA

Audience members hold the SNP party Scottish Parliament election manifesto up during its launch at the Edinburgh International Conference Centre in Edinburgh, as the party bids for its third term in power

Government Ministers In Downing Street...LONDON, ENGLAND - APRIL 20:  British Prime Minister David Cameron departs Number 10 Downing Street for the weekly Prime Minister's Question Time (PMQs) session a the Houses Of Commons on April 20, 2016 in London, England. Business continued as normal at Downing Street today ahead of US president Barack Obamas' visit to the United Kingdom.  (Photo by Ben Pruchnie/Getty Images)

Ben Pruchnie/Getty

British Prime Minister David Cameron departs Number 10 Downing Street for the weekly Prime Minister’s Question Time session a the Houses Of Commons in London, England 

Britain's Prince William is hugged by Chewbacca as British actor John Boyega smiles during a tour of the Star Wars sets at Pinewood studios in Iver Heath, west of London...Britain's Prince William is hugged by Chewbacca as British actor John Boyega smiles during a tour of the Star Wars sets at Pinewood studios in Iver Heath, west of London, Britain on April 19, 2016. Prince William and Prince Harry are touring Pinewood to visit the production workshops and meet the creative teams working behind the scenes on the Star Wars films. REUTERS/Adrian Dennis/Pool

Adrian Dennis/Reuters

Britain’s Prince William is hugged by Chewbacca as British actor John Boyega smiles during a tour of the Star Wars sets at Pinewood studios in Iver Heath, west of London. Prince William and Prince Harry are touring Pinewood to visit the production workshops and meet the creative teams working behind the scenes on the Star Wars films. 

Spring weather Apr 19th 2016...A ship sits out in the North Sea near Tynemouth beach, North Tyneside, just before sunrise. PRESS ASSOCIATION Photo. Picture date: Tuesday April 19, 2016. Photo credit should read: Owen Humphreys/PA Wire

Owen Humphreys/PA

A ship sits out in the North Sea near Tynemouth beach, North Tyneside, just before sunrise

Greenpeace activists scale Nelson's colomn in protest over pollution levels.

Andy Rain/EPA

An activist from the enviromental oganisation Greenpeace attaches a replica gas mask to the face of the statue of Nelson on Nelson’s column during a protest in Trafalgar Square, London. Greenpeace activists scaled numerous statues across the capital to highlight dangerous levels of pollution.

Prime Minister David Cameron helps to campaign for a 'Remain' vote in the forthcoming EU referendum at a phone centre in London today along with fellow pro EU campaigners, Lord Ashdown, Lord Kinnock and Tessa Jowell.  PRESS ASSOCIATION Photo. Picture date: Thursday April 14 2016. Photo credit should read: Stefan Rousseau/PA Wire

Stefan Rousseau/PA

Prime Minister David Cameron helps to campaign for a ‘Remain’ vote in the forthcoming EU referendum at a phone centre in London today along with fellow pro EU campaigners, Lord Ashdown, Lord Kinnock and Tessa Jowell 

Industrial Views Across The Dee Valley...FLINT, WALES - APRIL 13:  The industrial landscape across the Dee Estuary at sunrise as steam rises from Deeside power station, Shotton Steelworks and other heavy industrial plants on April 13, 2016 in Flint, Wales. The British Steel industry has been plunged into crisis after Tata Steel announced it would begin the process of selling its loss-making plants in the UK, putting thousands of jobs at risk.

Christopher Furlong/Getty

The industrial landscape across the Dee Estuary at sunrise as steam rises from Deeside power station, Shotton Steelworks and other heavy industrial plants in Flint, Wales 

A gallery assistant poses with a design ...A gallery assistant poses with a design included in the exhibition "Undressed: A Brief History of Underwear" during a photo call preview at the V&A museum in London, on April 12, 2016.  The exhibition tells the story of underwear design from the 18th century to present day, and runs from 16 April to 12 March 2017. / AFP PHOTO / LEON NEAL / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTIONLEON NEAL/AFP/Getty Images

Leon Neal/AFP/Getty

A gallery assistant poses with a design included in the exhibition “Undressed: A Brief History of Underwear” during a photo call preview at the V&A museum in London 

Craig Watson/PA

Hannah Miley wins her heat in the Women’s Open 400m IM during day one of the British Swimming Championships at Tollcross International Swimming Centre, Glasgow 

A Christie's employee holds 'The Mendes-France Baule Mask' from Ivory Coast at Christies's auction rooms in London, Monday, April 11, 2016. The mask is estimated to realise 500,000-800,000 US dollars (355,537-568,858 UK pounds) when it is auctioned in New York in the Post War and Contemporary Afternoon sale on May 11. (AP Photo/Kirsty Wigglesworth)

Kirsty Wigglesworth/AP

A Christie’s employee holds ‘The Mendes-France Baule Mask’ from Ivory Coast at Christies’s auction rooms in London. It will be auctioned in New York at the ‘Evolution of Form: African & Oceanic Art at the Genesis of Modernism’ on May 12 

Wellington Arch sculpture conservation...Freelance sculpture conservator Scarlett Hutchin, working for English Heritage, buffs wax polish applied to  artist Adrian Jones' sculpture, Quadriga, on top of Wellington Arch at Hyde Park Corner, depicting four horses, representing the forces of chaos and war pulling a chariot, being calmed by the angel of peace, as the landmark sculpture is being cleaned, repaired and re-waxed by a team of specialists as part of a major English Heritage conservation programme. PRESS ASSOCIATION Photo. Picture date: Thursday April 7, 2016. See PA story HERITAGE Quadriga. Photo credit should read: Nick Ansell/PA Wire

Nick Ansell/PA

Freelance sculpture conservator Scarlett Hutchin, working for English Heritage, buffs wax polish applied to artist Adrian Jones’ sculpture, Quadriga, on top of Wellington Arch at Hyde Park Corner. The landmark sculpture is being cleaned, repaired and re-waxed by a team of specialists as part of a major English Heritage conservation programme

Grand Opening Day - Crabbie's Grand National Festival - Aintree Racecourse...Viconte Du Noyer ridden by jockey Jonathan Burke in the Betfred Red Rum Handicap Chase during the Grand Opening Day of the Crabbie's Grand National Festival at Aintree Racecourse, Liverpool. PRESS ASSOCIATION Photo. Picture date: Thursday April 7, 2016. See PA story RACING Aintree. Photo credit should read: Mike Egerton/PA Wire

Mike Egerton/PA

Viconte Du Noyer ridden by jockey Jonathan Burke in the Betfred Red Rum Handicap Chase during the Grand Opening Day of the Crabbie’s Grand National Festival at Aintree Racecourse, Liverpool

Junior Doctors Stage A Further 48 Hour Strike Over Proposed Contract Changes...LONDON, ENGLAND - APRIL 06:  Junior doctors and staff members take part in a strike outside St Thomas' Hospital on April 6, 2016 in London, England. Junior doctors in England are currently taking part in a 48 hour strike, their fourth in their long-running dispute with the government over contract changes. Doctors are again providing emergency cover but 4,000 operations and procedures have been postponed.  (Photo by Dan Kitwood/Getty Images)

Dan Kitwood/Getty

Junior doctors and staff members take part in a strike outside St Thomas’ Hospital on in London, England. Junior doctors in England are currently taking part in a 48 hour strike, their fourth in their long-running dispute with the government over contract changes.

Carl Court/Getty

Labour leader, Jeremy Corbyn, gestures at a baby as he speaks with customers during a visit to a cafe in Harlow, England. Mr Corbyn visited the Essex town to launch Labour Party’s local election campaign

Tata Prepares To Sell British Steel Operation

Christopher Furlong/Getty Images

A man walks his dog on Aberavon beach in the shadow of the Tata Steel plant at Port Talbot on Wednesday. Indian owners Tata Steel put its British business up for sale yesterday, placing thousands of jobs at risk and hitting the already floundering UK steel industry.