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.

Prime Minister Milos Vucevic resigned following weeks of massive anticorruption protests over the deadly collapse of a concrete canopy in November.