Tens of thousands of protesters led by university students have held a noisy rally outside Serbia's state television headquarters in Belgrade to protest what they called the broadcaster's pro-government bias.

The demonstration is one of the biggest in years against alleged pro-government bias by the RTS television station.

BELGRADE - Tens of thousands of anti-government protesters in Belgrade on Sunday switched on the lights on their mobile phones and stood in silence for 15 minutes to commemorate victims of a railway station roof collapse for which they blame authorities.

Tens of thousands of anti-government protesters in Belgrade on Friday stood in silence in front of the state television RTS building for 15 minutes to commemorate victims of a railway station roof collapse for which they blame Serbian authorities.

Dozens of people rallied on Friday in Belgrade to demand accountability after the collapse of a cantilever at the train station in the Serbian city of Novi Sad that killed 15 people on Nov. 1. Camera: ANDREJ CUKIC FOOTAGE OF THE PROTEST IN BELGRADE TO PROTEST THE COLLAPSE OF A CANTILEVER AT THE TRAIN STATION IN NOVI SAD.