Anti-government protesters have stormed into the Bosnian presidency and another government building in Sarajevo and set them ablaze as riot police fired tear gas in a desperate attempt to stop them.
Smoke was rising from several Bosnian cities on Friday night as thousands vented their fury over the Balkan country's 44 per cent unemployment rate and rampant corruption.
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Violence spreads in Bosnia
Protesters in Bosnia-Hercegovina set fire to buildings as unrest grows over political and economic instability.
It was the worst social unrest the country has been through since the 1992-95 war following Yugoslavia's dissolution, which killed more than 100,000 people.
As night fell on Friday, downtown Sarajevo was in chaos. Buildings and cars burned, and riot police in full gear chased protesters and pounded batons against their shields to get the crowd to disperse.
Nearly 200 people were injured throughout the country in clashes with police, medical workers reported.
Bosnians have many reasons to be unhappy as general elections approach in October.
The privatisation that followed the war decimated the middle class and sent the working class into poverty as a few tycoons flourished.
Corruption is widespread and high taxes for the country's bloated public sector eat away at residents' income.
In the northern city of Tuzla, protesters stormed the local government building, throwing furniture and files out its windows on Friday before setting it on fire.
The local government resigned. By evening, protesters also burnt the city's court building.
Protesters also set upon local government buildings in Zenica, Mostar and Travnik.
The crowd in Zenica pushed several cars belonging to local officials into the nearby river and city authorities announced they will resign.
The protests began in Tuzla earlier this week with a clash between police and the unpaid workers of four former state-owned companies.
The companies' new owners were supposed to invest and make them profitable but instead sold the assets, stopped paying workers and filed for bankruptcy.
In an unprecedented move, hundreds gathered on Friday in the capital of the Bosnian Serb part of the country, Banja Luka, to back the protesters in Bosnia's other mini-state, which is shared by Bosniaks and Croats.
"We gathered to support the protests in Tuzla where people are fighting for their rights," said Aleksandar Zolja, an activist from Banja Luka.