Clashes between rival groups of protesters in Serbia flared again late on Thursday. Anti-government protesters attacked the Novi Sad headquarters of the President Aleksandar Vucic's ruling Serbian Progressive Party,

Serbia's police used teargas and crowd control vehicles on Friday evening in Belgrade to disperse anti-government protesters who threw firecrackers and flares at police officers in what is seen as a major escalation of the nine-month-long protests.

Thousands of anti-government protesters took to the streets across Serbia on Thursday, smashing windows of the governing party's headquarters in Novi Sad. In Belgrade, police fired tear gas to disperse protesters after clashes erupted with the president's supporters.