Riot police in Serbia fired tear gas to prevent hundreds of opposition supporters from entering the capital
Serbia protests: Demonstrators try to storm Belgrade city hall in protest against 'stolen' elections
Kyungdong City Gas 267290 Stock News, Sentiment, Research, Analytics
Brutal clashes: Molotov cocktails and tear gas hurled in the air, Chile
Serbia: Police fire tear gas as protesters try to storm Belgrade parliament building, World News
Serbian police fire tear gas at protesters threatening to storm city hall
Chaos at Macedonia border as refugees storm police
Police gas mask hi-res stock photography and images - Page 3 - Alamy
Watch: Bolivian police join scattered anti-Morales protests
Serbia school shooting: Teen suspect in custody
Ferguson, Mo., police are using a blunt instrument -- tear gas - Los Angeles Times
