Protests against the government of President Aleksandar Vučić in Serbia saw a fourth consecutive day of violence on Saturday night. The most severe riots occurred in the central town of Valjevo, where opponents of the government set fire to the office of Vučić's Serbian Progressive Party (SNS) and damaged buildings of the city administration and the local public prosecutor's office.

BELGRADE, Serbia -- Clashes erupted at protests in Serbia between opponents and supporters of the government in an escalation of tensions following more than nine months of persistent demonstrations against populist President Aleksandar Vucic.

POLITICO spoke to an opposition lawmaker who said he was beaten by masked men as demonstrations were met with a violent response.