Ukraine gunmen seize two buildings in Sloviansk
12 April 2014 Last updated at 16:58 BST
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.
The BBC's David Stern was in Sloviansk on Saturday morning and described the situation as "very tense".