Keiv - Armed men have seized a police station and a security services building in eastern Ukraine, according to officials.
Police said the men fired shots and used stun grenades to seize the offices in Sloviansk, near the Russian border.
Meanwhile, a gun battle has erupted in the eastern Ukrainian town of Kramatorsk, according to the Ukrainian acting interior minister.
Pro-Russian activists have seized government buildings elsewhere in east Ukraine in recent days and Kiev has accused Moscow of orchestrating the unrest.
