A refugee from Syria prays after arriving on the shores of the Greek island of Lesbos—aboard an inflatable raft across the Aegean Sea from Turkey—on September 7, 2015. Greece sent troops and police reinforcements on September 6 to Lesbos after renewed clashes between police and migrants, according to media reports, while Syrian refugees on the island were targeted with Molotov cocktail attacks. More than 230,000 people have landed on Greek shores this year, and the numbers have soared in recent weeks as people seek to take advantage of the calm summer weather. #

A policer officer hits a man with a baton as he tries to maintain order while migrants wait for trains at a temporary camp near Gevgelija, Macedonia, on September 7, 2015. Several thousand migrants in Macedonia boarded trains to travel north after spending a night in a provisional camp. Macedonia has organized trains twice a day to the north border where migrants cross into Serbia to make their way to Hungary. Since June, Macedonian authorities have said that more than 60,000 migrants—mainly refugees from Serbia—have entered the country, and around 1,500 entered just in one day. #

Hundreds of migrants and refugees continue to cross the border from Serbia into Hungary along the railway tracks close to the village of Roszke on September 6, 2015, in Szeged, Hungary. #

A man carries a child as migrants and refugees arrive on a raft after crossing from Turkey to the island of Lesbos, Greece, on September 8, 2015. The small island has been transformed by the sudden new population of some 20,000 refugees and migrants, mostly from Syria, Iraq, and Afghanistan. #

Migrants line up as they wait for a registration procedure at the port of northeastern Greek island of Lesbos on September 5, 2015. Greece’s coast guard says it has rescued hundreds of refugees and migrants from the sea near the eastern Aegean islands. Such rescues are a daily occurrence as thousands flee war and poverty in the Middle East, Africa, and Asia. #

A Macedonian policeman stands amid migrants and refugees who wait to cross the border of Greece and Macedonia near the town of Idomeni, northern Greece, on September 7, 2015. #

Migrants run across a highway from a collection point that had been set up to transport people to camps on September 9, 2015, in Morahalom, Hungary. People became impatient at the lack of information, facilities, and transport at the collection point and decided to storm past police lines, making their way in all directions. #

A man is confronted by a Hungarian police officer with a dog as he holds his daughter while migrants run across a highway in Morahalom, Hungary, on September 9, 2015. Since the beginning of 2015, the number of migrants using the so-called “Balkans route” has exploded, with migrants arriving in Greece from Turkey and then traveling on through Macedonia and Serbia before entering the EU via Hungary. The number of people leaving their homes in war-torn countries such as Syria marks the largest migration of people since World War II. #

Refugees warm up their hands over hot ash from a bonfire at a migrant collection point near the village of Roszke on the Hungarian-Serbian border on September 8, 2015. #

A migrant arrives during heavy rain at the Hungarian-Austrian border in Nickelsdorf, Austria, on September 5, 2015. Migrants came to Nickelsdorf from Budapest as Austria said it and Germany would let them in. #

Refugees are smuggled through fields and forests in an attempt to evade the Hungarian police close to the Serbian border on September 8, 2015 in Roszke, Hungary. Many migrants fear that if they are forced to officially register and have their fingerprints taken, it will stop them being able to move freely out of Hungary and further into Europe. A lack of clarity on the issue is causing many people to risk being arrested unnecessarily by taking such measures. #

(1 of 4) A Hungarian police officer stops migrants as they try to escape in a field near a collection point in the village of Roszke, Hungary, on September 8, 2015. #

(2 of 4) A migrant runs with a child before being tripped by TV camerawoman Petra Laszlo (left) and falling as he tries to escape from a collection point in the village of Roszke, Hungary, on September 8, 2015. Laszlo, a camerawoman for a private television channel in Hungary, was fired after videos of her kicking and tripping up migrants fleeing police spread in the media and on the Internet. #

(3 of 4) A migrant falls with a child, after being tripped by TV camerawoman Petra Laszlo as he tried to escape from a collection point in the village of Roszke, Hungary, on September 8, 2015. #

Syrian refugees cross into Hungary underneath the border fence on the Hungarian-Serbian border near Roszke, Hungary, on August 26, 2015. A Pakistani identity card in the bushes, a Bangladeshi one in a cornfield. Documents scattered only meters from Serbia’s border with Hungary provide evidence that many of the migrants flooding Europe to escape war or poverty are scrapping their true nationalities to improve their chances of asylum—many of them claiming to be Syrian. #

People welcome refugees with a banner reading “Welcome to Germany” in Dortmund, Germany, on September 6, 2015, where thousands of migrants and refugees arrived by train. #

Hungarian police officers secure the bus that will take migrants near the border between Serbia and Hungary in Roszke, Hungary, on September 9, 2015. Hungarian authorities on Tuesday began busing weary migrants to a nearby registration center, defusing some tensions at Hungary’s southern border with Serbia. #

A Syrian man carrying a child (left) scuffles with a Hungarian nationalist in front of the Keleti train station in Budapest, Hungary, on September 4, 2015. Minor skirmishes broke out Friday at the Keleti train station, where hundreds of migrants and refugees are camped. #

Migrants 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 on 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. #

Hungarian police escort migrants back to a collection point in the village of Roszke, Hungary, on September 9, 2015. Hungary closed its M5 highway after groups of migrants broke through a police cordon at Roszke on the border with Serbia on Wednesday and set off on foot towards the motorway, police said on their website. #

Migrants gather outside the closed Eastern Railway Station in Budapest, Hungary, on September 2, 2015, after they were disallowed from boarding trains bound for Germany. #

Migrants try to break through police lines before running over a motorway from a collection point that had been set up to transport people to camps on September 9, 2015, in Morahalom, Hungary. #

Migrants who had crossed the Serbian border into Hungary fight to get on a bus taking people to a refugee camp on September 8, 2015, in Morahalom, Hungary. Some of the men who managed to get on the bus ended up leaving their wives and children behind. #

A refugee child cries as she sits on an overcrowded bus transporting refugees and migrants to the metro and train stations, after they disembarked from a government-chartered ferry (reflected in the window) in the port of Piraeus in the Athens area on September 8, 2015. #

Migrants walk out of Budapest, Hungary, on September 4, 2015. Over 150,000 people seeking to enter Europe have reached Hungary this year, most coming through the southern border with Serbia, and many apply for asylum but quickly try to leave for richer EU countries. #