They packed up food, water and extra clothes and set off. Hundreds of Serbian university students on Thursday started an 80-kilometer, or 50 mile, march toward the northern city of Novi Sad.

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.

By Tatyana Kekic in Belgrade Hundreds of students in Serbia began their two-day march from the capital Belgrade to Novi Sad on January 30, a journey of approximately 80 kilometers, as the country remains gripped by political turmoil following a deadly infrastructure collapse in Novi Sad late last year.

Student activists returned to the streets on January 28 after several other protesters were attacked the previous night. The attacks on protesters, which followed months of demonstrations over a deadly infrastructure collapse,