Ukraine Riots Leave 18 Dead and Hundreds Injured
Protesters shouted "Glory to Ukraine" after riot police stormed their protest camp.
International Relations expert Robert English said the conflict can only be bad for the United States.
The protests started after President Viktor Yanukovych ended a trade agreement with the European Union in November.
Ukrainian police pushed their way into the largest anti-government protest camp in Kiev, the city's capital.
Riot police confronted protesters with gun grenades and water cannons.
One International Relation expert said the conflict can only be bad for the United States.