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.

The march from the capital Belgrade to the northern city of Novi Sad is part of the demonstrations launched by university students across Serbia to demand accountability for the deaths of 15 people in a train station awning collapse last November.

Thousands of students blocked traffic at Autokomanda, one of Belgrade's busiest intersections, for 24 hours to protest the Serbian government's failure to prosecute those responsible for the collapse of a concrete canopy at the main railway station in the northern city of Novi Sad in November.

One of Belgrade's key traffic arteries turned into a campsite on January 27. Thousands of students and citizens gathered for an all-day road blockade, demanding political and criminal accountability for the deaths of 15 people at Novi Sad's railway station on November 1.

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