U.S. : An incident like embassy attack ` ` should not happen in a civilized country '' U.S. warns Serbia of responsibility to protect U.S. Embassy , building . The U.S. Embassy in Belgrade is evacuating all nonessential personnel following Thursday 's attack on the building by a crowd of protesters , a spokesman for the embassy told CNN Friday . Embassy has nonessential personnel ; ambassador will remain in Belgrade . No official action taken during Thursday attack and fire , spokesman says .
U.S. : An incident like embassy attack ` ` should not happen in a civilized country '' U.S. warns Serbia of responsibility to protect U.S. Embassy , building . Embassy has nonessential personnel ; ambassador will remain in Belgrade . No official action taken during Thursday attack and fire , spokesman says .