intention. nic robertson is there for us. the tone from russian officials seems to have turned and turned in a more aggressive fashion. >> reporter: yeah, all the time we've been trying to figure out if, how and when will russian forces move into those separatist areas they've decided to back, they have the legal authority, putin has that. we heard from the russian ambassador at the u.n. and he gave some clarity. originally putin had signed off for a peacekeeping mission, unclear what that meant, but the ambassador says the russian forces are going in to monitor a ceasefire. they won't be going in softly-softly which in the context of russian forces going in seems to imply that they will be going in to contribute to whatever fight they see is going on, that they will be going in to shoot back. normally the context that we understand ceasefire monitors to go in is they sit down close to the frontline. they count who is shelling,