The GuardianRussia firing artillery at Ukraine troops, US saysCBC.caRussia is launching artillery attacks from its soil on Ukrainian troops and preparing to move heavier weaponry across the border, the United States and Ukraine charged Friday in what appeared to be an ominous escalation of the crisis. Ukraine in crisis: Key ...US says Russia massing troops near UkraineIrish TimesUS says Russia is moving bigger rocket launchers to Ukraine borderLos Angeles TimesRussia, Ukraine trade accusations of cross-border shellingWashington PostCNN (blog) -Times of India -Fox Newsall 7,426 news articles »