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People light candles in front of the police station in Eisenstadt, Austria, to memorialize the death of at least 20, possibly over 70, migrants stacked in a truck parked on the shoulder of the main highway from Budapest to Vienna near Eisenstadt, August 27, 2015 (Credit: AP Photo/Ronald Zak)

People light candles in front of the police station in Eisenstadt, Austria, to memorialize the death of at least 20, possibly over 70, migrants stacked in a truck parked on the shoulder of the main highway from Budapest to Vienna near Eisenstadt, August 27, 2015 (Credit: AP Photo/Ronald Zak)