Instead of traditional street partying on New Year's Eve, tens of thousands of protesters led by university students have gathered overnight in Belgrade and other Serbian cities to demand political reforms and justice in the Balkan country.

Tens of thousands of Serbians have gathered in the capital Belgrade to protest against President Aleksandar Vucic and his ruling Serbian Progressive Party (SNS), which they blame for a railway station roof collapse last month that killed 15 people.

The accident in the city of Novi Sad occurred on November 1 at a newly renovated train facility, killing 14 people – aged six to 74 – at the scene, while a 15th victim died in hospital weeks later

Hundreds of university students rallied in Belgrade on Wednesday to protest the policies of President Aleksandar Vucic and his ruling Serbian Progressive Party (SNS), whom they blame for a railway disaster last month in which 15 people died.