Kosovo celebrates independence , but riots break out in Belgrade . PM Thaci : ` I will not allow this to happen U.S. , EU expected to recognize new state , but Serbia and ally Russia will not .
Kosovo celebrates independence , but riots break out in Belgrade . PM Thaci : `` From this day onwards , Kosovo is proud , independent and free '' Thousands of people on streets of capital Pristina , waving flags and cheering . U.S. , EU expected to recognize new state , but Serbia and ally Russia will not .