Serbian opposition lawmakers lit flares and discharged suspected tear gas during the opening day of the spring session of parliament on Tuesday, in a sign of support for ongoing anti-corruption protests.

Opposition deputies threw smoke grenades in Serbia’s national assembly, disrupting a session confirming the resignation of Prime Minister Milos Vucevic and a debate on laws designed to ease months of anti-government protests in the Balkan country.

Serbian opposition lawmakers threw smoke grenades and tear gas inside the country’s parliament on Tuesday, March 4, in a show of support for ongoing anti-corruption protests. At least three lawmakers were reportedly injured during the chaos, including one who suffered a stroke.