Serbia’s students are leading mass protests and blockades of three bridges over the Danube river in the northern city of Novi Sad, drawing tens of thousands into the streets to express their anger with the country’s populist leadership and to call for change.

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,