Migrants march toward Hungary border to demand its opening

Hundreds of migrants stranded in Serbia set off on foot from Belgrade toward the border with Hungary on Tuesday to protest its closure for most people trying to reach the European Union.

Earlier, police intervened in the Serbian capital after the protesters clashed with other groups of migrants who opposed the march. They disrupted delivery of food by aid organizations and blocked traffic near Belgrade's main railway station. There were no reports of injuries during the scuffles.

Serbian police said in a statement that they would no longer tolerate such incidents, adding "laws have to be respected by all."

More than 6,000 migrants remain stuck in Serbia...