Tens of thousands of people blockaded three bridges on the Danube River in Serbia's second city of Novi Sad on Saturday in the latest anti-government protest over a railway station disaster that killed 15 people in November.

By Tatyana Kekic in Novi Sad Serbia is in the throes of a political crisis, sparked by a deadly infrastructure collapse in Novi Sad late last year, with ongoing student-led protests putting immense pressure on the government.

Protesters shut down bridges over the Danube River in Serbia’s Novi Sad on Saturday to mark three months since a deadly railway station accident and register a protest against President Aleksandar Vucic.

What kind of times are they, when A talk about trees is almost a crime Because it implies silence about so many horrors?  –Brecht The Socialist Federal

Protesters have repeatedly faced attacks, including on students, with drivers ramming cars into demonstrations on two previous occasions. Two people were seriously injured. Along the way to Novi Sad on Friday, the students were greeted by cheering citizens who honked their car horns or came out of their homes to offer food and drinks.

Students in Serbia on Sunday said they would end their protest blockade of a bridge in Novi Sad marking three months since a collapsed roof at the city's train station sparked a nationwide anti-corruption movement.