Kosovo police officers react after being sprayed with milk by students, as they prevented them from storming the building of the main public Pristina University on Friday, February 7, 2014. Police in Kosovo used tear gas to disperse hundreds of protesters trying to break through a police cordon and storm the office of the dean of the main public university accused of corruption and mismanagement. Protesters threw stones at police and splashed them with milk and red paint and police used pepper spray. (Photo by Visar Kryeziu/AP Photo)

An anti-government protester throws a flare at riot police during clashes in Sarajevo February 7, 2014. Protesters across Bosnia set fire to government buildings and fought with riot police on Friday as long-simmering anger over lack of jobs and political inertia fuelled a third day of the worst civil unrest in Bosnia since a 1992-95 war. (Photo by Reuters/Stringer)

An anti-government protester sits on the ground in front of police during a demonstration in Sarajevo February 6, 2014. Hundreds of people turned out in solidarity in the capital Sarajevo, with teenagers throwing eggs and stones at a government building and fought with police. Four officers were taken to hospital, officials said. (Photo by Dado Ruvic/Reuters)

A man climbs out of a window as smoke rises from a blaze at a government building in Tuzla, February 7, 2014. (Photo by Dado Ruvic/Reuters)

People help an injured policeman as anti-government protesters clash with police in Sarajevo February 7, 2014. (Photo by Reuters/Stringer)

A protester stands near a fire set in front of a government building in Tuzla, February 7, 2014. (Photo by Dado Ruvic/Reuters)

A Bosnian flag hangs from a broken window of a local government building, during protests in the Bosnian town of Tuzla, on Friday, February 7, 2014. (Photo by Amel Emric/AP Photo)

Protesters hurl items at a government building in Tuzla, February 7, 2014. (Photo by Dado Ruvic/Reuters)

A Bosnian protester sets a local government building on fire during protests in the Bosnian town of Tuzla, on Friday, February 7, 2014. Bosnian protesters have set ablaze the local government building in Tuzla after they stormed it in rage over unemployment, rampant corruption and an overpaid political elite that appears detached from people's needs. (Photo by Amel Emric/AP Photo)

Bosnian policemen are seen while protestors throw stones at a local government building in the Northern-Bosnian town of Tuzla on February 7, 2014. Protesters angry over Bosnia's devastated economy broke into a government building in northeastern Tuzla on Friday, destroying furniture and throwing television sets through windows. Some 100 hooded young men were seen storming the building with flames and thick smoke billowing from the first floor windows a short while later. (Photo by Elvis Barukcic/AFP Photo)