Violent clashes on the Serbia-Hungary frontier have provoked Budapest to order a 30-day suspension of the Roszke-Horgos border crossing, Serbia’s foreign ministry reports.<br /><br /> Our correspondent on the scene says protesters were throwing sticks. The Hungarian authorities responded with water cannon and tear gas.<br /><br /> At least 20 policeman and two children are reported to have been injured as a result of the clashes.<br /><br /> The Rozke-Horgos crossing is one of the main entry points into Hungary, the European Union and the border-free Schengen Zone.<br /><br /> Budapest sealed the frontier to migrants on Tuesday and reports suggest the process could be repeated on the border with Romania.<br /><br /> Today (September 16), Bucharest is believed to have summoned the Hungarian ambassador to discuss extending the border fence.<br /><br /> With the onset of violence, Hungary urged Serbia to act against migrants “attacking” its police force.<br /><br /> “This attack is coming from Serbia,” said Hungarian foreign minister, Peter Szijjarto, “Ther
