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Open Image ModalA migrant girl has face washed after being hit by pepper spray and tear gas (credit:Christopher Furlong via Getty Images)
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Open Image ModalA migrant girl is overcome by pepper spray and tear gas after Hungarian police repelled an attempt by migrants to break the border post gate and pull down the razor wire fence on in Horgos, Serbia. (credit:Christopher Furlong via Getty Images)
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Open Image ModalHungarian police use pepper spray against migrants at the Horgos border, near the town of Kanjiza after Hungarian authorities closed their border (credit:Srdjan Stevanovic via Getty Images)
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Open Image ModalHungarian police use pepper spray against migrants at the Horgos border (credit:Srdjan Stevanovic via Getty Images)
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Open Image ModalA refugee throws a stone towards Hungarian riot police after they used water cannon and pepper spray (credit:ARMEND NIMANI via Getty Images)
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Open Image ModalHungarian riot police use pepper spray to push back refugees (credit:ARMEND NIMANI via Getty Images)
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Open Image ModalA refugee holding on to his daughter gestures at Hungarian riot police after they used water cannon and pepper spray to push back refugees (credit:ARMEND NIMANI via Getty Images)
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Open Image ModalA refugee woman reacts after Hungarian riot police used pepper spray (credit:ARMEND NIMANI via Getty Images)
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Open Image ModalA refugee reacts during clashes with Hungarian riot police (credit:ARMEND NIMANI via Getty Images)
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Open Image ModalHungarian police use pepper spray against refugees (credit:Srdjan Stevanovic via Getty Images)
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Open Image ModalHungarian police use pepper spray on migrants (credit:ASSOCIATED PRESS)
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Open Image ModalHungarian riot police uses water canon and pepper spray to disperse refugees (credit:ARMEND NIMANI via Getty Images)
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Open Image ModalHungarian riot police use pepper spray (credit:ARMEND NIMANI via Getty Images)
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Open Image ModalA refugee woman wipes her eyes after police used pepper spray and water cannon to push back refugees (credit:ARMEND NIMANI via Getty Images)
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Open Image ModalHungarian riot police use pepper spray (credit:ARMEND NIMANI via Getty Images)
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Open Image Modal (credit:ASSOCIATED PRESS)
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Open Image Modal (credit:ASSOCIATED PRESS)
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Open Image ModalHungarian police use pepper spray at the "Horgos 2" border crossing into Hungary (credit:ASSOCIATED PRESS)
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Open Image ModalAfghan migrants rest on a roadside near Hungary's border fence with Serbia, in Asotthalom. (credit:ASSOCIATED PRESS)
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Open Image ModalAn elderly Afghan migrant rests on the ground of a field while she and others being detained by Hungarian police on horses for sneaking through Hungary's border fence with Serbia, in Asotthalom, southern Hungary. (credit:ASSOCIATED PRESS)
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Open Image ModalAfghan migrants rest on a roadside near Hungary's border fence with Serbia (credit:ASSOCIATED PRESS)
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Open Image ModalAfghan girl Parisa Sayed Jalil, 4, rests on her father's lap in a field, while they and others are detained by Hungarian police on horses for sneaking through Hungary's border fence with Serbia. (credit:ASSOCIATED PRESS)
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Open Image ModalAfghan migrants sit on the ground of a field while being detained by Hungarian police on horses. (credit:ASSOCIATED PRESS)
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Open Image Modal (credit:ASSOCIATED PRESS)
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Open Image ModalA family from Syria arrive the border between Serbia and Croatia near Tovarnik, eastern Croatia. (credit:ASSOCIATED PRESS)
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Open Image ModalRefugees rest near the border station between Serbia and Hungary in Horgos (credit:ASSOCIATED PRESS)
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Open Image ModalHungarian security forces stand guard as refugees continue waiting on the Serbian - Hungarian border (credit:Anadolu Agency via Getty Images)
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Open Image ModalHungarian military cartographers walk by the temporary border fence between Hungary and Serbia in a field near the Serbian and the Romanian borders. (credit:ASSOCIATED PRESS)
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Open Image ModalAn Austrian border police man checks a vehicle at the border (credit:ASSOCIATED PRESS)
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Open Image ModalAustrian border police check a vehicle on the highway A4 at the border between Hungary and Austria in Nickelsdorf, Austria. (credit:Ronald Zak/AP)
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Open Image ModalAustrian border police check a vehicle at the border between Hungary and Austria in Schachendorf (credit:ASSOCIATED PRESS)
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Open Image Modal Migrants who had arrived on foot from the Salzburg train station in Austria sit under trees in a parking lot after they crossed the border to Germany (credit:Sean Gallup via Getty Images)
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Open Image ModalA migrant waiting at the "Horgos 2" border crossing into the Hungary. (credit:Darko Vojinovic/AP)
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Open Image ModalAustrian border police check a car on the highway A4 at the border between Hungary and Austria (credit:Ronald Zak/AP)