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.

Students in Serbia vowed to continue protesting even after the country's Prime Minister Milos Vucevic announced his resignation on Tuesday, following weeks of mass demonstrations over the fatal collap

If Serbian President Aleksander Vucic hoped the resignation of his hand-picked prime minister would get students to end nearly three months of anti-corruption protests, he didn’t have to wait long for an answer.

Serbia's prime minister Milos Vucevic announced his resignation on Tuesday. The outgoing PM was the former mayor of Novi Sad where the collapse of a freshly renovated roof of a train station killed 15 people,