Russian warns Ukraine of 'irreversible consequences'

Russia's foreign ministry accused Ukraine of firing a shell into Russia, killing one person and injuring three others. Ukrainina officials blamed rebels for the attack saying that Ukrainian forces 'do not do not fire on the territory of a neighboring country.' 

By , Associated Press

Sergei Pivovarov/AP

Russia's foreign ministry said Sunday that a Ukrainian shell hit a Russian border town, killing one person and seriously injuring two others. Ukraine denied firing a shell into Russian territory.