Tens of thousands of people in Serbia have been marching in the streets to protest alleged Serbian government corruption after an accident that killed 15 people.

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.

Demonstrations around Serbia pose a challenge to the decade-long hold on power by President Aleksandar Vucic, who spurred his prime minister to step down.

Serbia’s populist prime minister, Milos Vucevic, has resigned in an attempt to calm political tensions stoked by weeks of massive anti-corruption protests sparked by the deadly collapse of a concrete overhang at a recently renovated train station.

Serbia’s populist Prime Minister Milos Vucevic has resigned following weeks of massive anti-corruption protests over the deadly collapse of a concrete canopy in November