Syrian migrants cross under a fence at Hungarian-Serbian border near Roszke

Laszlo Balogh/Reuters

Syrian migrants cross under a fence into Hungary at the border with Serbia, near Roszke, on Wednesday. Hungary’s government has started to construct a 175-km-long (110-mile-long) fence on its border with Serbia in order to halt a massive flow of migrants who enter the EU via Hungary and head to western Europe.

An investor looks at an electronic board showing stock information of Shanghai Stock Exchange Composite Index at a brokerage house in Beijing, August 26, 2015. Asian shares struggled on Wednesday as investors feared fresh rate cuts in China would not be enough to stabilise its slowing economy or halt a stock collapse that is wreaking havoc in global markets

Jason Lee/Reuters

An investor looks at an electronic board showing stock information of Shanghai Stock Exchange Composite Index at a brokerage house in Beijing. Asian shares struggled on Wednesday as investors feared fresh rate cuts in China would not be enough to stabilise its slowing economy or halt a stock collapse that is wreaking havoc in global markets

Rick Yen is silhouetted as he casts a rod while fishing for salmon near the mouth of the Capilano River off Ambleside Park at sunset in West Vancouver, British Columbia, Tuesday, Aug. 25, 2015. (Darryl Dyck/The Canadian Press via AP) MANDATORY CREDIT

Darryl Dyck/The Canadian Press/AP

Rick Yen is silhouetted as he casts a rod while fishing for salmon near the mouth of the Capilano River off Ambleside Park at sunset in West Vancouver British Columbia

Athletes compete during their men's 110 metres hurdles heat at the IAAF World Championships at the National Stadium in Beijing...(L-R) Aleec Harris of the U.S., Nicholas Hough of Australia, Matthias Buhler of Germany and Ben Reynolds of Ireland compete during their men's 110 metres hurdles heat at the IAAF World Championships at the National Stadium in Beijing, China August 26, 2015. REUTERS/Pawel Kopczynski

Pawel Kopczynski/Reuters

Athletes compete during their men’s 110 metres hurdles heat at the IAAF World Championships at the National Stadium in Beijing, Aleec Harris of the U.S., Nicholas Hough of Australia, Matthias Buhler of Germany and Ben Reynolds of Ireland compete during their men’s 110 metres hurdles heat at the IAAF World Championships at the National Stadium in Beijing, China 

German Chancellor Angela Merkel (R) pres...German Chancellor Angela Merkel (R) presents a bouquet of flowers to German Agriculture Minister Christian Schmidt for his birthday during a weekly meeting of the German cabinet at the Chancellery in Berlin on August 26, 2015.    AFP PHOTO / JOHN MACDOUGALLJOHN MACDOUGALL/AFP/Getty Images

John Macdougall/AFP/Getty Images

German Chancellor Angela Merkel presents a bouquet of flowers to German Agriculture Minister Christian Schmidt for his birthday during a weekly meeting of the German cabinet at the Chancellery in Berlin 

Hindu devotees take holy dip in the River Godavari on the first official day of bathing as part of Kumbh Mela celebrations in Nasik, India, Wednesday, Aug. 26, 2015. Hindus believe that sins accumulated in past and current lives require them to continue the cycle of death and rebirth until they are cleansed. Bathing in sacred waters on the most auspicious day of the Kumbh festival, or Pitcher Festival, believers say rids them of their sins. (AP Photo/Bernat Armangue)

Bernat Armangue/AP

Hindu devotees take holy dip in the River Godavari on the first official day of bathing as part of Kumbh Mela celebrations in Nasik, India 

A Kashmiri government health department ...A Kashmiri government health department employee takes part in an anti-government protest in Srinagar on August 25, 2015. Government employees were detained as they tried to take part in a protest calling for the regularisation of contractual employment status. AFP PHOTO/Tauseef MUSTAFATAUSEEF MUSTAFA/AFP/Getty Images

Tauseef Mustafa/AFP

A Kashmiri government health department employee takes part in an anti-government protest in Srinagar. Government employees were detained as they tried to take part in a protest calling for the regularisation of contractual employment status

Members of the Egyptian Ultras Nahdawi youth group take part in a protest against the removal of former President, Mohamed Morsi, by the Egyptian military, in the Nahiyya neighborhood of Cairo, Egypt.

Eslam Gomaa/EPA

Members of the Egyptian Ultras Nahdawi youth group take part in a protest against the removal of former President, Mohamed Morsi, by the Egyptian military, in the Nahiyya neighborhood of Cairo, Egypt.

A mother and children look through a train window at Gevgelija, Macedonia, as migrants continue their journey towards other EU countries.

Vassil Donev/EPA

A mother and children look through a train window at Gevgelija, Macedonia, as migrants continue their journey towards other EU countries.

A Malaysian woman walks past an advertis...A Malaysian woman walks past an advertisement outside a jewellery store at a shopping mall in Kuala Lumpur on August 25, 2015.  Prices of crude oil and most other commodities rebounded in Asia on August 25 but stayed under pressure following a global sell-off sparked by the faltering economy in China, the world's top user of industrial metals and energy. Gold prices remained steady, boosted by prospects of increased demand due to its status as a safe haven in times of turmoil.    AFP PHOTO / MANAN VATSYAYANAMANAN VATSYAYANA/AFP/Getty Images

Manan Vatsyayana/AFP

A Malaysian woman walks past an advertisement outside a jewellery store at a shopping mall in Kuala Lumpur. Prices of crude oil and most other commodities rebounded in Asia on Tuesday but stayed under pressure following a global sell-off sparked by the faltering economy in China, the world’s top user of industrial metals and energy. Gold prices remained steady, boosted by prospects of increased demand due to its status as a safe haven in times of turmoil. 

Children play with hula hoops at a park ...Children play with hula hoops at a park where migrants have found temporary shelter in the Serbian capital Belgrade on August 25, 2015. A record number of refugees streamed into EU member state Hungary from Serbia on August 24, police said, just days before Hungary completes a border fence to keep out migrants. A total of 2,093 migrants, the highest ever daily total, crossed the border near the Hungarian town of Roszke, a police statement said. They were part of a wave of around 7,000 refugees whose journey to the European Union had been blocked last week when Macedonia declared a state of emergency and closed its borders after being overwhelmed by the huge influx of people, amid Europe's worst migration crisis since World War II.   AFP PHOTO / ANDREJ ISAKOVICANDREJ ISAKOVIC/AFP/Getty Images

Andrej Isakovic/AFP

Children play with hula hoops at a park where migrants have found temporary shelter in the Serbian capital Belgrade

Afghan men carry the body of a victim

Aref Karimi/AFP/Getty Images

Afghan men carry the body of a victim after a series of explosions at a gas storage facility on the edge of the western city of Herat on Tuesday.

An investor looks at an electronic board showing stock information at a brokerage house in Beijing, China, August 25, 2015

Kim Kyung-Hoon/Reuters

An investor looks at an electronic board showing stock information at a brokerage house in Beijing, China today. China stocks slumped about 4 percent on Tuesday, touching eight-month lows, as investors dumped shares after a grim “Black Monday” that battered global markets but failed to prompt fresh rescue measures from Beijing.

A Lebanese activist paints graffiti on a concrete wall installed by authorities near the main Lebanese government building, in downtown Beirut, Lebanon, Tuesday, Aug. 25, 2015. Anticipating more protests, authorities installed a concrete wall near the main Lebanese government building, site of the largest protests. On Saturday and Sunday nights, police fired tear gas and water cannons at the protesters, battling them in the streets of Beirut in dramatic clashes, wounding dozens. (AP Photo/Hassan Ammar)

Hassan Ammar/AP

A Lebanese activist paints graffiti on a concrete wall installed by authorities near the main Lebanese government building, in downtown Beirut, Lebanon. Anticipating more protests, authorities installed a concrete wall near the main Lebanese government building, site of the largest protests. On Saturday and Sunday nights, police fired tear gas and water cannons at the protesters, battling them in the streets of Beirut in dramatic clashes, wounding dozens. 

Labour Leadership Candidates Attend BBC Radio 5Live Hustings...STEVENAGE, ENGLAND - AUGUST 25:  Andy Burnham, Liz Kendall, Yvette Cooper and Jeremy Corbyn take part in a radio hustings hosted by presenter Nicky Campbell (C) on August 25, 2015 in Stevenage, England. Candidates are continuing to campaign for Labour party leadership with polls placing left-winger Jeremy Corbyn in the lead. Voting is due to begin on the 14th of August with the result being announced on the 12th of September.  (Photo by Carl Court/Getty Images)

Carl Court/Getty

Andy Burnham, Liz Kendall, Yvette Cooper and Jeremy Corbyn take part in a radio hustings hosted by presenter Nicky Campbell in Stevenage, England. Candidates are continuing to campaign for Labour party leadership with polls placing left-winger Jeremy Corbyn in the lead 

A trader gestures on the floor of the New York Stock Exchange at the start of the trading day in New York, New York, USA,on Monday. Global markets have been reacting to the economic situation in China and the Dow Jones Industrial average followed that trend losing 1,000 points in early trading

Justin Lane/EPA

A trader gestures on the floor of the New York Stock Exchange at the start of the trading day in New York, New York, USA,on Monday. Global markets have been reacting to the economic situation in China and the Dow Jones Industrial average followed that trend losing 1,000 points in early trading before recovering

The so-called "Stone Age"-travellers, Lukas Heinen, Veronika Hocke and Marco Hocke walk in the forest near Altenbeken, western Germany, on their way from Detmold to Bonn

Bernd.Thissen/DPA/AFP

The so-called “Stone Age”-travellers, Lukas Heinen, Veronika Hocke and Marco Hocke walk in the forest near Altenbeken, western Germany, on their way from Detmold to Bonn

Visitors view a giant light installation inside the China pavilion at the Expo 2015 exhibition in Milan, Italy.

Chris Ratcliffe/Bloomberg

Visitors view a giant light installation inside the China pavilion at the Expo 2015 exhibition in Milan, Italy.

A Ukrainian armed forces military unit marches at Kiev's Independence Square, Ukraine, 24 August 2015, during a march on the occasion of Independence Day. Ukrainians marked the 24th anniversary of Ukraine's independence from the Soviet Union in 1991

Sergey Dolzhenko/EPA

A Ukrainian armed forces military unit marches at Kiev’s Independence Square, Ukraine, on Monday, during a march on the occasion of Independence Day

Migrants from Syria sit along a road as they wait for a bus in the village of Miratovac near the town of Presevo, Serbia August 24, 2015. Long lines of migrants, many of them refugees from Syria, snaked through southern Serbia by foot on Monday before jumping on trains and buses north to Hungary and the last leg of an increasingly desperate journey to western Europe

Marko Djurica/Reuters

Migrants from Syria sit along a road as they wait for a bus in the village of Miratovac near the town of Presevo, Serbia. Long lines of migrants, many of them refugees from Syria, snaked through southern Serbia by foot on Monday before jumping on trains and buses north to Hungary and the last leg of an increasingly desperate journey to western Europe