UK

Members of the emergency services take part in Exercise Strong Tower outside the disused Aldywch tube station on Surrey Street onTuesday in London, England.  The counter-terrorism training exercise will involve as many as 1,000 officers and will take place across the city until Wednesday afternoon

Rob Stothard/Getty Images

Members of the emergency services take part in Exercise Strong Tower outside the disused Aldywch tube station on Surrey Street on Tuesday in London, England

CALAIS, FRANCE - JUNE 26:  Migrants continue to try and board lorries bound for the United Kingdom on June 26, 2015 in Calais, France. Many migrants are camped in Calais on the side of the motorways as they attempt to board trucks stuck in slow moving traffic in the hope of making it into the UK.  (Photo by Jeff J Mitchell/Getty Images)

Jeff J Mitchell/Getty

Migrants continue to try and board lorries bound for the United Kingdom in Calais, France. Many migrants are camped in Calais on the side of the motorways as they attempt to board trucks stuck in slow moving traffic in the hope of making it into the UK 

Race goers walk from the train station as they arrive for the third day of the Royal Ascot horse racing meet at Ascot, England, Thursday, June 18, 2015. The third day of Royal Ascot is traditional known as Ladies day, where fashion and hats come to the fore

Alastair Grant/AP

Race goers walk from the train station as they arrive for the third day of the Royal Ascot horse racing meet at Ascot, England on Thursday. The third day of Royal Ascot is traditional known as Ladies day, where fashion and hats come to the fore

Race-goers relax on a bench displaying the Union Flag on the first day of the annual Royal Ascot horse racing event near Windsor, west of London, on June 16, 2015.

Ben Stansall/AFP

Racegoers relax on a bench displaying the Union Jack on the first day of the Royal Ascot meeting in Berkshire, England.

 A student gives flowers to, embraces and welcomes with other young students US First Lady Michelle Obama in the courtyard before an event as part of the 'Let Girls Learn Initiative' at the Mulberry School for Girls on Tuesday in London, England. The US First Lady is travelling with her daughters, Malia and Sasha and her mother, Mrs. Marian Robinson, to continue a global tour promoting her 'Let Girls Learn Initiative'. The event at the school was to discuss how the UK and USA are working together to expand girl's education around the world

Jeff J Mitchell/Getty Images

A pupil embraces US First Lady Michelle Obama before an event at the Mulberry School for Girls in London, part of the Let Girls Learn Initiative.

The crowd watching Kodaline performing on the Main Stage at the Isle of Wight Festival, in Seaclose Park, Newport, Isle of Wight

Yui Mok/PA

The crowd watching Kodaline performing on the Main Stage at the Isle of Wight Festival, in Seaclose Park, Newport, Isle of Wight on Friday

Great Britain's Nick Dempsey comes home to win the first race of the day during the Men's RS:X windsurfing on day five of the ISAF Sailing World Cup at Weymouth. PRESS ASSOCIATION Photo. Picture date Wednesday June 12, 2015.

Andrew Matthews/PA

Great Britain’s Nick Dempsey comes home to win the first race of the day during the Men’s RSX windsurfing on day five of the ISAF Sailing World Cup at Weymouth on Friday

Re-enactors dressed as soldiers from the era of the Battle of Waterloo travel on an escalator after attending a memorial unveiling at Waterloo Station in London, Wednesday, June 10, 2015. The new war memorial honours all of the allied forces who fought at the Battle of Waterloo in 1815. The centrepiece is a giant replica of the reverse of the Waterloo Campaign medal

Kirsty Wigglesworth/AP

Re-enactors dressed as soldiers from the era of the Battle of Waterloo travel on an escalator after attending a memorial unveiling at Waterloo Station in London on Wednesday. The new war memorial honours all of the allied forces who fought at the Battle of Waterloo in 1815

Sheep in a field graze close to some of the Shaun the Sheep sculptures ahead of their delivery to Bristol on a farm near Goldcliff on Wednesday in Newport, Wales. From July 6 to August 31 the children's charity is bringing 70 Shaun the Sheep sculptures to green spaces across Bristol and later in the year the flock will go to auction with funds raised going to The Grand Appeal, the Bristol's children's hospital charity

Matt Cardy/Getty Images

Sheep in a field graze close to some of the Shaun the Sheep sculptures ahead of their delivery to Bristol on a farm near Goldcliff on Wednesday in Newport, Wales. From July until August the children’s charity is bringing 70 Shaun the Sheep sculptures to green spaces across Bristol and later in the year the flock will go to auction with funds raised going to The Grand Appeal, the Bristol’s children’s hospital charity

Campaigners calling for the introduction of a Robin Hood Tax dressed as Chancellor George Osborne and city bankers take part in a demonstration outside Mansion House, in the City of London, ahead of Lord Mayor of the City of London's annual Bankers and Merchants Dinner, attended by Chancellor George Osborne and Governor of the Bank of England Mark Carney

Dominic Lipinski/PA

Campaigners calling for the introduction of a Robin Hood Tax dressed as Chancellor George Osborne and city bankers take part in a demonstration outside Mansion House, in the City of London, ahead of Lord Mayor of the City of London’s annual Bankers and Merchants Dinner, attended by Chancellor George Osborne and Governor of the Bank of England Mark Carney on Wednesday

Two gallery assistants pose with '$, 2001' an installation by Tim Noble and Sue Webster which is going on show at Sotheby's with an estimated value of  100,000- 150,000 on June 8, 2015 in London, England. The installation forms part of an exhibition of 21 works inspired by the US Dollar which are estimated to have a total value of  50 million and will go under offer by the auction house on 1st and 2nd July 2015

Mary Turner/Getty Images

Two gallery assistants pose with ‘$, 2001′ an installation by Tim Noble and Sue Webster which is going on show at Sotheby’s with an estimated value of £100,000- £150,000 on Monday in London, England

Polo on the Beach photocall...Polo players practice for the upcoming 'Polo on the Beach' match at Watergate Bay beach, Cornwall, in wet and windy conditions. PRESS ASSOCIATION Photo. Picture date: Tuesday June, 2, 2015

Ben Birchall/PA

Polo players practise for the upcoming Polo on the Beach match at Watergate Bay beach, Cornwall, in wet and windy conditions

Members of the East German Ladies' swimming team leave the new 'King's Cross Pond Club' outdoor swimming pool on Friday in London, England. The 40 metre pool is purified using submerged plants to filter the water and is surrounded by flowers and plants. It is open to members of the public Monday and Friday between 6am and dusk

Dan Kitwood/Getty Images

Members of the East German Ladies’ swimming team leave the new ‘King’s Cross Pond Club’ outdoor swimming pool on Friday in London, England. The 40 metre pool is purified using submerged plants to filter the water and is surrounded by flowers and plants

A jogger passes by the beach huts at Bournemouth Beach in Dorset, which have been decorated in Cath Kidston prints as part of the brand s #RandomActsofKidston campaign

Matt Alexander/PA

A jogger passes by the beach huts at Bournemouth Beach in Dorset, which have been decorated in Cath Kidston prints as part of the brand’s RandomActsofKidston campaign

A visitor shelters under her umbrella as she makes a phone call at  the Royal Horticultural Soceity's Chelsea Flower Show in London, Britain, May 18, 2015

Toby Melville/Reuters

A visitor shelters under her umbrella as she makes a phone call at the Royal Horticultural Society’s Chelsea Flower Show in London, UK

David Hockney presents his new body of work at the Annely Juda gallery, Mayfiar, London

Charlie Bibby/FT

David Hockney presents his new body of work at the Annely Juda gallery, Mayfair, London on Thursday

The Viking Star going through the Thames Barrier in London as part of its maiden voyage. PRESS ASSOCIATION Photo. Picture date: Tuesday May 12, 2015. The delivery ceremony took place on March 28th when the ship was presented at Fincantieri s Marghera shipyard outside of Venice, Italy. On April 11th, Viking Star set sail from Istanbul making her way through the Mediterranean into the Atlantic on her way to be officially christened in Bergen, Norway on May 17th. Classified by Cruise Critic as a  small ship,  the all-veranda Viking Star has a gross tonnage of 47,800 tons, 465 cabins and will accommodate 930 passengers. It is engineered to allow direct access into most ports, so guests have an easy and efficient embark and debark. The Viking Star is one of three ocean cruise ships on order; the remaining two ships, Viking Sea and Viking Sky, are currently under construction

Viking Ocean Cruises/Jeff Moore/PA

The Viking Star going through the Thames Barrier in London as part of its maiden voyage on Tuesday

The Queen's horses Alpine, Mingulay, George, Anson, Dawn and Emma with Grooms Harriet White, Zoe McDonald, Christopher Allen and Sadie Henderson on the private grounds of Windsor Castle ahead of the country's largest outdoor equestrian show, the Royal Windsor Horse Show

Steve Parsons/PA

The Queen’s horses Alpine, Mingulay, George, Anson, Dawn and Emma with Grooms Harriet White, Zoe McDonald, Christopher Allen and Sadie Henderson on the private grounds of Windsor Castle ahead of the country’s largest outdoor equestrian show, the Royal Windsor Horse Show

VE Day 70th Anniversary Day One...LONDON, ENGLAND - MAY 08:  (L-R) Labour Party leader Ed Miliband, Liberal Democrat leader Nick Clegg and Prime Minister David Cameron prepare to place a wreath during a tribute at the Cenotaph to begin three days of national commemorations to mark the 70th anniversary of VE Day on May 8, 2015 in London, England. Leaders of the United Kingdom are gathering together after the country went to the polls yesterday and voted to keep Conservative party leader David Cameron as Prime Minister. Great Britain now starts three days of national commemorations of street parties, concerts and other events across the country to remember the end of World War II in Europe.  (Photo by Christopher Furlong/Getty Images)

Christopher Furlong/Getty

Labour Party leader Ed Miliband, Liberal Democrat leader Nick Clegg and Prime Minister David Cameron prepare to place a wreath during a tribute at the Cenotaph to begin three days of national commemorations to mark the 70th anniversary of VE Day in London, England. Leaders of the United Kingdom are gathering together after the country went to the polls yesterday and voted to keep Conservative party leader David Cameron as Prime Minister. Great Britain now starts three days of national commemorations of street parties, concerts and other events across the country to remember the end of World War II in Europe.

Paul Hackett/Reuters

A supporter holds a card for Ed Miliband, who has resigned as leader of the Labour party after an unexpectedly heavy defeat in the UK general election