The Kremlin said on Monday that it could not rule out the possibility that anti-government protests in Serbia, a close Russian ally, could be an attempted "colour revolution", but that it was sure the Serbian leadership could restore calm.

Serbia’s president has announced more arrests following clashes with the police at a massive anti-government protest in Belgrade

Riot police fired tear gas at thousands of anti-government protesters in Serbia’s capital on Saturday. The major rally in Belgrade against Serbia’s populist president, Aleksandar Vucic, was called to back a demand for an early parliamentary election.