New : 10,000 demonstrators gather after violent police crackdown ; opposition leaders call for president 's resignation . The government has said it will not allow the protests to turn into a broader movement against President Bashar al-Assad. United States condemns `` violence against protesters '' in Independence Square . Interior Ministry says riot police responded to `` provocations by protesters '' -- state media .
New : 10,000 demonstrators gather after violent police crackdown ; opposition leaders call for president 's resignation . Riot police detain dozens of protesters in Kiev 's main square -- state media . United States condemns `` violence against protesters '' in Independence Square . Interior Ministry says riot police responded to `` provocations by protesters '' -- state media .