Monuments to Kiev's founders burn as anti-government protesters clash with riot police in Kiev's Independence Square, the epicenter of the country's current unrest,  Kiev, Ukraine, Tuesday, Feb. 18, 2014. Thousands of police armed with stun grenades and water cannons attacked the large opposition camp in Ukraine's capital on Tuesday that has been the center of nearly three months of anti-government protests after at least nine people were killed in street clashes. (AP Photo/Efrem Lukatsky)

Violence rages in streets of Kiev

Thousands of police are doing battle with some 20,000 anti-government protesters in the capital of Ukraine, as more than three months of pro…