At least three people were killed in a clash in Slovyansk in eastern Ukraine, the nation’s Interior Ministry said, as a top security official accused Russia of exploiting the violence to prepare grounds for an invasion. Three “activists” were shot to death while on duty at a roadblock in an attack early today that also left three other people injured, the ministry said in a posting on its website. It said the assailants took “wounded and killed along with them,” without providing details. Ukraine’s Security Service said saboteurs carried out the assault. Russia’s Foreign Ministry blamed the Ukrainian nationalist ... (full story)