katie stallard is in donetsk. katy, what are the militants demanding? >> reporter: they're demanding a referendum on federalization, which would effectively mean the creation of an independent state within the state of ukraine. some of them want to go further. they want to break away from ukraine altogether and join russia, and tonight in donetsk, the city where i am, they claim that the police are with them, that they are standing behind the protesters here, and similarly, a small town which came under attack by armed masked men in combat fatigues this morning, they say they are holding two key buildings in that town, and with russian forces continuing to mass on the borders here, there are real fears this could be the next domino in this situation to. >> axelrod: so let me follow up on the fears this could be another crimea. how legitimate are those fears? >> reporter: well, the parallels are very striking. what you had there were armed masked mensing key strategic buildings. then a referendum, which became a question on joining the russian federation