Ukraine’s new government declared on Friday that it had indeed been invaded, as gunmen in matching fatigues seized control of the two main airports in the southern region of Crimea and troop trucks with Russian license plates were seen moving around the peninsula. Ukraine’s border service also reported an airspace incursion by at least 10 Russian military helicopters, an accusation that seemed to be supported by amateur video, and there were reports of movements by Russian transport planes and warships.
http://www.theglobeandmail.com/news/world/globe-in-kiev-ukraines-new-government-declares-russia-has-invaded/article17183580/
Ukrainian official says Moscow has deployed nearly 2,000 suspected troops to an airbase in tense southeastern region.
http://www.aljazeera.com/news/europe/2014/02/ukraine-accuses-russia-invading-crimea-201422820136126248.html
Friday, the United States warned Russia that intervention in Ukraine would be a "grave mistake."
http://www.haaretz.com/news/world/1.577037
Ukraine has accused Russia of carrying out an armed invasion by sending naval forces to occupy Sevastopol airport in the Crimea region.
http://www.bbc.com/news/world-europe-26379722
Some people are saying that Russia seems to be willing to go to war over this, and that it could possibly return us to Cold War like conditions with Russia.
There was also that whole issue with the chemical weapons in Syria a few months back.
At this point it seems like Russia is just trying to pick a fight and that it's only a matter of time before some country says "Ok, lets do this."