Thursday push through a police barrier to continue their journey. Patrick Kingsley in Horgoš and agencies in Tovarnik Thursday 17 September 2015 15.57 BST Last modified on Friday 18 September 2015 09.48 BST * Share on Facebook * Share on Twitter * Share via Email * Share on Pinterest -- Serbia, where thousands of people gathered on Thursday in and around the train station in blazing sunshine, waiting to board trains and buses. More than 100 riot police were deployed to control the growing crowds and keep them back from railway tracks. Clashes broke out as some people broke through police lines. “When we said corridors are prepared, we meant a corridor from Tovarnik -- crying as buses and vans took them to Croatian reception centres. On the diplomatic side, the president of the European council, Donald Tusk, has summoned EU leaders to an extraordinary summit next Wednesday to discuss migration and a proposed scheme to redistribute 120,000 asylum seekers across the bloc. On Monday, EU interior ministers failed to agree on a quota system designed to spread the burden of this year’s refugee crisis. The Romanian president, Klaus Iohannis, reiterated on Thursday that his country did not consider mandatory quotas a solution. The Danish government, meanwhile, said it had voluntarily agreed to accept 1,000 of the 120,000 refugees the EU plans to relocate. — Jonathan Miller (@millerC4) September 17, 2015 A man collapses as he's shoved thru crush. Refugees and migrants have now broken through police lines @Channel4News pic.twitter.com/OuIYTRTPdw In a sign that pressure was growing on the EU’s other borders, Bulgaria began deploying 1,000 troops to the Turkish frontier, where several hundred people spent a third day stuck in Edirne, a border city. Austria introduced tighter controls on its eastern border, through which tens of thousands of people have passed on their way from Hungary -- student from Hasakah in Syria. “We’ll go and find out what’s happening. Maybe we can cross, maybe we can’t. We live in hope.” Daoud and his friends said that nothing will stop people fleeing from war. Hamas Shekhmous, an 18-year-old high school student travelling with her two brothers, said: “We’re not afraid of anything because after Daesh [the Arab term for Islamic State] nothing scares us”. But some were a little more circumspect. Kawa, a 30-year-old -- * sport + football + cricket + rugby union + F1 + tennis + golf + cycling + boxing -- * privacy policy * cookie policy * securedrop © 2016 Guardian News and Media Limited or its affiliated companies. All rights reserved.