Serbian university students have left piles of old school books outside the education ministry building as part of daily street protests demanding accountability over the collapse nearly two months ago of a concrete canopy that killed 15 people in the country’s north.

Hundreds of university students rallied in Belgrade on Wednesday to protest the policies of President Aleksandar Vucic and his ruling Serbian Progressive Party (SNS), whom they blame for a railway disaster last month in which 15 people died.

This footage illustrates people marching through the streets of Belgrade, Serbia ro protest against President Aleksandar Vucic and his ruling Serbian Progressive Party, whom they blame for roof collapse at a railway station on November 1 that killed 15 people.

Hundreds of Serbian students and others again blocked traffic for 15 minutes throughout the country as political tensions continue to simmer following last month's collapse of a concrete canopy that killed 15 people.