Prosecutors arrested 13 people over the tragedy, but much of the public is skeptical about the honesty of the investigation

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 ag

Separately, Serbia’s government extended school winter holidays by starting them nearly a week earlier as its continues to grapple with widening student protests challenging the rule of populist President Aleksandar Vucic. The move is seen as a government ploy to curtail protests.