Former Philippine president Rodrigo Duterte's arrest has sparked protests from his supporters, including in front of the International Criminal Court in the Dutch city of The Hague where he faces crimes against humanity charges.

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.

Hundreds of thousands of people descended on Serbia's capital on Saturday to protest over the deaths of 15 people in a railway station collapse. 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.