Ukraine's interior minister has warned pro-Russian activists who have taken over state buildings in eastern cities to enter talks to find a political solution or face "force". Arsen Avakov said the situation would "be resolved in 48 hours" either way. Earlier, some of those who had been inside security service offices in Luhansk since Sunday left the building.
BBC: Ukraine in 48-hour ultimatum to east’s pro-Russia activists
Some 56 people have now been released from the state security service in Luhansk, officials say.
