They packed up food, water and extra clothes and set off. Hundreds of Serbian university students on Thursday started an 80-kilometer (50-mile) march toward the northern city of Novi Sad, the latest endeavor in their widening protest movement over a deadly overhang collapse in November that killed 15 people.

Serbia’s striking university students have started a 24-hour blockade of a key traffic intersection in the capital Belgrade, stepping up pressure on the populist authorities over a deadly canopy colla

Serbia's striking university students block key traffic intersection in Belgrade Stunning videos of Niagara Falls frozen The airport behaviors that can get you pulled aside for TSA check AB de Villier

The protests began after an attack on drama students on January 24 by pro-government thugs during a daily 15-minute commemoration for victims of a deadly overhang collapse in November that killed 15 people.

By Tatyana Kekic in Belgrade On the morning of January 27, students of the Belgrade faculties began assembling at Autokomanda, a busy junction in the Serbian capital, for a 24-hour blockade they hoped would force the government to heed their demands.