At least 100,000 people have converged in Belgrade for a massive rally in the Serbian capital seen as a culmination of months-long protests against populist President Aleksandar Vucic.

Thousands of protesters, mainly students, descended on Serbia's capital on Friday ahead of a planned weekend of massive anti-government rallies, many travelling hundreds of miles on foot or by bike.

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.