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.

Three months after 15 people were killed in a train station canopy collapse, mass protests continue to gather momentum and even threaten to topple Serbian President Aleksandar Vučić’s government.