Belgrade is preparing for a massive anti-government protest that will take place on Saturday. Students from across the country arrived in the capital on Friday, and authorities are warning of possible acts of violence and arrests.

Public transportation is shut down in the Serbian capital of Belgrade as tens of thousands of protesters converge to oppose Serbian President Aleksandar Vucic's government on Saturday.

Large crowds of flag-waving protesters converged after meeting up at several agreed-on protest venues in various parts of Belgrade, which was placed on high alert.