Students in Serbia have blocked a Danube bridge after spending the night in tents and sleeping bags as part of their growing anti-graft movement demanding major changes in the Balkan country.

Hundreds of striking students are marching through the Serbian countryside, taking their anti-graft protest toward the northern city of Novi Sad, where they plan to blockade three bridges over the River Danube.

Many in Serbia believe that the collapse was essentially caused by government corruption in a large infrastructure project with Chinese state companies. Critics believe graft led to a sloppy job during the reconstruction of the Novi Sad train station,