LKS 20160826 - ATT13135; (FILES) This file photo taken on May 31, 2016 shows Hungarian prisoners prepare a new part of fence near Asotthalom village, Hungary, as Hungary bolsters anti-migrant fence on Serbia border following an increase in arrivals after the evacuation of Idomeni camp on the Greece-Macedonia frontier. Hungarian Prime Minister Viktor Orban said Friday a second fence line will be built on the country's southern border with Serbia, capable of stopping any new wave of migrants toward the EU. / AFP / Csaba SEGESVARI - LEHTIKUVA / AFP