At least three lawmakers were injured on Tuesday, one of them seriously, after chaotic scenes in Serbia ’s parliament, during which smoke bombs and flares were thrown, further fueling political tensions in the Balkan country.

To say there was disorder in Serbia's parliament would be an understatement. Video shows tear gas and smoke grenades being deployed among the chaos of a recent legislative session. Reports say it was caused by the opposition party in support of students who were demonstrating outside the building.

The Serbian parliament erupted into chaos Tuesday as opposition lawmakers set off smoke grenades and other countermeasures to block last-minute passage of a series of laws initiated by the outgoing government.