NOVI SAD, Serbia (AP) — Protesters threw flares and red paint on the City Hall building in the Serbian city of Novi Sad in rage over last week's collapse of a concrete canopy at the railway station that killed 14 people. Police responded by firing tear gas canisters.

Serbia wound up a rescue operation and opened an investigation on Saturday into a roof collapse at a railway station in the northern city of Novi Sad that killed 14 people and injured three others.

Thousands of Serbian opposition backers rallied on Tuesday in the northwestern city of Nov Sad in a violent protest over a deadly accident at a local railway station, for which they blame negligence and corruption by the government.

Thousands of protesters, red paint and smashed windows at the city hall: The Serbian city where a train station roof collapsed last week killing 14 people was at boiling point

By Tatyana Kekic in Belgrade Thousands of people took to the streets of Novi Sad on November 5, demanding accountability from Serbian officials after a tragic canopy collapse at the city’s railway station killed 14 people and seriously injured three others.

Demonstrators gathered in Serbia's second-largest city and regional capital on Tuesday evening after a rail station awning collapse killed 14 people, demanding accountability from officials. View on e