Al Jazeera reports:

At least 10,000 Serbian nationalists are estimated to have gathered in central Belgrade to protest against the arrest of Ratko Mladic, the former Bosnian Serb general accused of war crimes.

Sporadic clashes erupted at the rally on Sunday, with several dozen protesters throwing stones at riot police wielding batons.

Supporters of the ultranationalist Serbian Radical Party and other similar organisations had been brought by bus from across the country for the evening rally in the Serbian capital.