European migrant crisis

Syrian migrants cross under a fence as they enter Hungary at the border with Serbia, near Roszke, August 27, 2015. Hungary made plans reinforce its southern border with helicopters, mounted police and dogs, and was also considering using the army as record numbers of migrants, many of them Syrian refugees, passed through coils of razor-wire into Europe.

Hungarian/Serbian Border

Migrants, hoping to cross into Hungary, walk along a railway track outside the village of Horgos in Serbia, towards the border it shares with Hungary, September 1, 2015. Hundreds of angry migrants demonstrated outside Budapest's Eastern Railway Terminus, demanding they be allowed to travel on to Germany, as the biggest ever influx of migrants into the European Union left its asylum policies in tatters.

Hungarian/Serbian Border

Migrants, hoping to cross into Hungary, sit along a railway track outside the village of Horgos in Serbia, towards the border it shares with Hungary, September 1, 2015.

Libya

In this Tuesday, Sept 1. 2015, photo, the body of a drowned migrant, who washed up along with several others, is seen in Zuwara, Libya (65 miles west of Tripoli) after two smuggling boats sank off the coast of Libya. More than 2,000 migrants have drowned this year, chiefly when trying to reach Italy's southernmost islands from Libya.

Greek Island of Kos

Two Syrian refugees sit at the dock of the port of Kos as the passenger ship "Eleftherios Venizelos" backs into the quay on the Greek island of Kos, August 14, 2015. The vessel will house more than 2,500 migrants who arrived in the country from the Turkish coast and will be used as a registration center for migrants. The United Nations refugee agency (UNHCR) called on Greece to take control of the "total chaos" on Mediterranean islands, where thousands of migrants have landed. About 124,000 have arrived this year by sea, many via Turkey, according to Vincent Cochetel, UNHCR director for Europe.

Greek Island of Kos

An Iranian migrant prays moments after arriving with another six family members by paddling an engine-less dinghy from the Turkish coast at a beach on the Greek island of Kos August 15, 2015.

Greek Island of Kos

Syrian refugees carry their children as they jump off a dinghy overcrowded with Syrian refugees upon arriving on a beach on the Greek island of Kos, after crossing a part of the Aegean sea from Turkey, August 9, 2015.

Calais, France

A migrant sits under trees near to the Eurotunnel site in Calais, France, August 4, 2015. Many migrants, each night, wait for darkness prior to heading for the Channel tunnel entrance, where they attempt to illegally jump onto moving freight trains bound for Britain.

Calais, France

Abdurrahim from Sudan holds a photo of his girlfriend at "The New Jungle" camp in Calais, France, August 7, 2015. For most of the 3,000 inhabitants of the "Jungle", a shanty town on the sand dunes of France's north coast, the climax of each day is the nightly bid to sneak into the undersea tunnel they hope will lead to new life in Britain.

Aegean Sea

A dinghy overcrowded with Syrian refugees drifts in the Aegean sea between Turkey and Greece after its motor broke down off the Greek island of Kos, August 11, 2015.

Budapest, Hungary

Migrants protest outside the Eastern railway station in Budapest, Hungary, September 2, 2015. Hundreds of migrants protested in front of Budapest's Eastern railway station, shouting "Freedom, freedom" and demanding to be let onto trains bound for Germany but the station remained closed to them. More than 2,000 migrants, including families with children, were waiting in the square at the station in sweltering heat.

Macedonian/Greek Border

Migrants fall as they rush to cross into Macedonia after Macedonian police allowed a small group of people to pass through a passageway, as they try to regulate the flow of migrants at the Macedonian-Greek border September 2, 2015. Up to 3,000 migrants are expected to cross into Macedonia every day in the coming months, most of them refugees fleeing war, particularly from Syria, the United Nations said last week.

Gran Canaria, Spain

An African migrant rests after arriving on a fishing boat at Las Carpinteras beach in the Canary Island of Gran Canaria, Spain, September 1, 2015. Around 60 people, including six women and a two-year-old child, were aboard the fishing boat, according to local authorities.

Austria

A coffin is rolled onto a truck at a customs building with refrigeration facilities in the village of Nickelsdorf, Austria, August 28, 2015. A truck full of refugees discovered abandoned on an Austrian motorway contained more than 70 bodies.

Italy

A rescuer carries an injured child as migrants disembark from military ship "Bettica" following a rescue operation at sea, in the port of Salerno, southern Italy, May 5, 2015.

Survivors said that "dozens" of passengers fell out of their rubber boat into the sea and couldn't swim.

Zuwara, Libya

Belongings of dead migrants, which were recovered by the Libyan coast guard, are seen after their boat sank off the coastal town of Zuwara, west of Tripoli, August 27, 2015. The boat packed with mainly African migrants bound for Italy sank off the Libyan coast and officials said up to 200 might have died.

Tripoli, Libya

A migrant reacts next to after their boat was sent back by the Libyan navy to the coastal city of Misrata, May 3, 2015.

Libyan authorities there detained 500 migrants in five boats off Tripoli and a further 480 migrants - from Sudan, Somalia, Eritrea and Ethiopia were caught in a farm near the central town of Jufra, and another 170 were detained nearby.

Italy

Migrants wait to disembark from tugboat Asso29 in the Sicilian harbor of Pozzallo, southern Italy, May 4, 2015.

Nearly 5,800 migrants were plucked from boats off the coast of Libya and 10 bodies were recovered in less than 48 hours, Italy's coast guard said, in one of the biggest rescue operations this year.

Italy

Migrants sit in their boat during a rescue operation by Italian navy ship Vega (unseen) off the coast of Sicily, May 4, 2015.

Italy

People carry the body of a dead migrant from a merchant ship as they arrive in the Sicilian harbor of Catania, southern Italy, May 5, 2015.