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.

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.