Students and anti-government demonstrators gather in front of the parliament building during a protest, which has become a national movement for change following the deadly November 2024 Novi Sad railway station roof collapse, in Belgrade, Serbia, March 15, 2025. REUTERS/Djordje Kojadinovic

While the government put attendance at 107,000 across Belgrade, an independent monitor said 325,000 - if not more - had gathered, making it Serbia's largest protest ever. The Novi Sad collapse last November has galvanised anger towards the government and President Aleksandar Vucic.