A Serbian higher court on Wednesday released former minister Goran Vesic, who had been detained last Thursday in connection with the collapse of a railway station roof that killed 15 people and sparked a wave of protests.

Physical altercations erupted in President Aleksandar Vučić's parliament over the government's response to a deadly roof collapse in Novi Sad.

The deadly collapse of a concrete roof at a rail station in Serbia has raised tensions across the Balkan county.

Scuffles and fistfights between ruling party and opposition lawmakers broke out in Serbia's parliament on Monday, weeks after a deadly rail station roof collapse that killed 15.

Opposition legislators accused ruling coalition of trying to shirk responsibility for Novi Sad collapse that killed 15 earlier this month.

Twelve people have been arrested in Serbia in connection with a roof collapse early this month at a train station in the northern city of Novi Sad that killed 15 people and severely injured two.