Ukraine and Russia exchanged new accusations on June 4 amid signs a large-scale offensive by separatists was mounting in eastern Ukraine.
Russia's War Against Ukraine
USA Today: Ukraine, Russia trade barbs amid signs of new offensive
A new Praviy Sektor (Right Sector) recruit takes aims with his Kalashnikov assault rifle during training at the Praviy Sektor headquarters in a small village near Pokrovskoe, eastern Ukraine, on June 4.