Huge crowds have been converging on downtown Belgrade for the gathering seen as a culmination of months of almost daily anti-corruption protests.

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.

At least 100,000 people descended on Belgrade on Saturday for a mass rally seen as a culmination of months-long protests against Serbia's populist President Aleksandar Vucic and his government. Large crowds of flag-waving protesters clogged the downtown area of the capital despite occasional rain,