French Research and Intervention Brigades (BRI - Brigade de recherche et d'intervention) policemen officers take part in a training exercice at the Bibliotheque Nationale de France in Paris.

Dominique Faget/AFP/Getty Images

French Search and Intervention Brigades (BRI – Brigade de recherche et d’intervention) policemen officers take part in a training exercice at the Bibliotheque Nationale de France in Paris.

Armenian police forces use water cannons against protesting against plans of the government to raise electricity prices for up to 40 per cent, in Yerevan, Armenia.

Vakhram Baghdasaryan/Photolure/epa

Armenian police forces use water cannons against protesting against plans of the government to raise electricity prices for up to 40 per cent, in Yerevan, Armenia.

Police officers wearing masks as a precaution against Middle East Respiratory Syndrome (MERS) are reflected on windows in Seoul, South Korea.

Lee Jin-man/AP

Police officers wearing masks as a precaution against Middle East Respiratory Syndrome (MERS) are reflected on windows in Seoul, South Korea. 

A combine makes a turn while harvesting in a wheat field near Mt. Hope, Kansas, USA.

Orlin Wagner/AP

A combine makes a turn while harvesting in a wheat field near Mt. Hope, Kansas, USA>

Athletes compete in the men's 3000 meters steeplechase race during the atheltics events at the 1st European Games in Baku...Athletes compete in the men's 3000 meters steeplechase race during the atheltics events at the 1st European Games in Baku, Azerbaijan, June 22 , 2015.  REUTERS/Stoyan Nenov

Stoyan Nenov/Reuters

Athletes compete in the men’s 3000 meters steeplechase race during the athletics events at the 1st European Games in Baku, Azerbaijan

 

Tony Melville/Reuters

 

Indian Hindu Kanwarias, worshippers of the Hindu God Shiva, carry metal canisters filled with holy water from the Ganges River as they walk towards Padilla Mahadev temple, on the outskirts of Allahabad, India, Monday, June 22, 2015. Kanwarias are devotees performing a ritual pilgrimage in which they walk the roads of India, clad in saffron, and carry ornately decorated canisters of the sacred water from the Ganges River to take back to Hindu temples in their hometowns. (AP Photo/Rajesh Kumar Singh)

Rajesh Kumar Singh/AP

Indian Hindu Kanwarias, worshippers of the Hindu God Shiva, carry metal canisters filled with holy water from the Ganges River as they walk towards Padilla Mahadev temple, on the outskirts of Allahabad, India

Luisa Avietti puts the finishing touches to a mural of Ed Sheeran made out of 13,000 ticket stubs, which has been created by StubHub to celebrate the British singer being revealed as the hottest act appearing in the UK this summer, in London's Russell Square. PRESS ASSOCIATION Photo. Picture date: Monday June 22, 2015. Photo credit should read: David Parry/PA Wire

David Parry/PA

Luisa Avietti puts the finishing touches to a mural of Ed Sheeran made out of 13,000 ticket stubs, which has been created by StubHub to celebrate the British singer being revealed as the hottest act appearing in the UK this summer, in London’s Russell Square 

Nepalese army personnel arrange the ammunition kept on display during the Inauguration ceremony of the two MI-17V-5 Helicopters bought from Russia for the Nepal Army Air Wing in Kathmandu.

Navesh Chitrakar/Reuters

Nepalese army personnel arrange the ammunition kept on display during the Inauguration ceremony of the two MI-17V-5 Helicopters bought from Russia for the Nepal Army Air Wing in Kathmandu.

People join hands against the backdrop of an American flag as thousands of marchers meet in the middle of Charleston's main bridge in a show of unity after nine black church parishioners were gunned down during a Bible study, Sunday, June 21, 2015, in Charleston, S.C. (AP Photo/David Goldman)

David Goldman/AP

People join hands against the backdrop of an American flag as thousands of marchers meet in the middle of Charleston’s main bridge in a show of unity after nine black church parishioners were gunned down during a Bible study 

Greece's Prime Minister Alexis Tsipras (...Greece's Prime Minister Alexis Tsipras (L) is welcomed with a friendly tap by European Commission President Jean-Claude Juncker ahead of an emergency leader's summit on Greece at the European Commission in Brussels, on February 22, 2015. AFP PHOTO/Emmanuel DunandEMMANUEL DUNAND/AFP/Getty Images

Emmanuel Dunand/AFP/Getty

Greece‘s Prime Minister Alexis Tsipras is welcomed with a friendly tap by European Commission President Jean-Claude Juncker ahead of an emergency leader’s summit on Greece at the European Commission in Brussels 

Three planets as seen from Hungary...epaselect epa04813607 The constellation of three planets: the Moon, Jupiter and Venus (L-R) in the sky as seen from the Mogyorosi viewpoint near Salgotarjan, 109 kms northeast of Budapest, Hungary, late 21 June 2015.  EPA/PETER KOMKA HUNGARY OUT

Peter Komka/EPA

The constellation of three planets: the Moon, Jupiter and Venus are seem in the sky from the Mogyorosi viewpoint near Salgotarjan, Hungary 

 A Palestinian protester throws tires into a fire during clashes with Israeli security forces following a demonstration against the expropriation of Palestinian land by Israel in the village of Kfar Qaddum, near Nablus, in the occupied West Bank, on June 19, 2015.

Jaafar Ashtiyeh/AFP

A Palestinian protester throws tyres into a fire during clashes with Israeli security forces following a demonstration against the expropriation of Palestinian land by Israel in the village of Kfar Qaddum, near Nablus, in the occupied West Bank, on Friday

Racegoers await the start of racing on day four of the 2015 Royal Ascot Meeting at Ascot Racecourse, Berkshire

Dominic Lipinski/PA

Racegoers await the start of racing on day four of the 2015 Royal Ascot Meeting at Ascot Racecourse, Berkshire on Friday

A member of staff holds 'Tete au masque' a ceramic plate by Pablo Picasso, estimated between  6000-8000), in front of Claude Monet's 1914-1917 piece 'Iris mauves', estimated at between  6-9 million, at Christie's King Street auction house on Friday in London, England

Rob Stothard/Getty Images

A member of staff holds ‘Tete au masque’ a ceramic plate by Pablo Picasso, estimated between 6000-8000), in front of Claude Monet’s 1914-1917 piece ‘Iris mauves’, estimated at between 6-9 million, at Christie’s King Street auction house on Friday in London, England

Members of the Allied army practice their square formation to counter cavalry charges on Friday in Waterloo, Belgium. Around 5000 historical re-enactors will amass this evening to stage the 1st battle re-enactment, the 'French attack', in front of around 200,000 spectators from around the world. The event will mark the 200th anniversary of the Battle of Waterloo. The 1815 battle saw the overthrow of Napoleon Bonaparte and the restoration of Louis XVIII to the French throne

Dan Kitwood/Getty Images

Members of the Allied army practice their square formation to counter cavalry charges on Friday in Waterloo, Belgium. Around 5000 historical re-enactors will amass this evening to stage the 1st battle re-enactment, the ‘French attack’, in front of around 200,000 spectators from around the world

Indian Muslim devotees offer Friday prayers at the Vasi Ullah mosque on the first Friday of Ramadan in Allahabad.

Sanjay Kanojia/AFP/Getty Images

Indian Muslim devotees offer Friday prayers at the Vasi Ullah mosque on the first Friday of Ramadan in Allahabad.

Baughn and Bartlett of Britain compete during the acrobatic gymnastics mixed pair final at the 1st European Games in Baku...Hanna Baughn and Ryan Bartlett of Britain compete during the acrobatic gymnastics mixed pair final at the 1st European Games in Baku, Azerbaijan, June 19 , 2015.

Kai Pfaffenbach/Reuters

Hanna Baughn and Ryan Bartlett of Britain compete during the acrobatic gymnastics mixed pair final at the 1st European Games in Baku, Azerbaijan on Friday

A young woman walks past a graffiti reading "Mrs Merkel we still love you - Greece" in central Athens on June 19, 2015. The European Central Bank's decision-making governing council will hold an emergency session on June 19 to discuss a request from the Bank of Greece for an increase in liquidity to Greek banks

Aris Messinis/AFP

A young woman walks past a graffiti reading “Mrs Merkel we still love you – Greece” in central Athens on Friday

A Syrian refugee boy from the northern Syrian town of Tel Abyad sits in the shade while spending the day in Akcakale, in Sanliurfa province, Turkey, June 19, 2015

Umit Bektas/Reuters

A Syrian refugee boy from the northern Syrian town of Tel Abyad sits in the shade while spending the day in Akcakale, in Sanliurfa province, Turkey on Friday