Moral concerns appear to have outweighed public disapproval of the deployment in the national assembly's vote Tuesday.
Ukraine's new leaders issued an arrest warrant for Yanukovych, who was impeached on Saturday and is on the run. The charges are linked to recent deadly violence in Kiev.
The values-based protests in Kiev's Maidan square helped bring down a regime built on corruption and violence. Now those values can help build a democracy modeled on those in Europe.
European officials say the two sides are nearing an agreement that would include reduced presidential powers and early elections in December.
With Vladimir Putin focused on the Games in Sochi, some experts say that will keep Russian eyes off of Ukraine – opening the door for the EU to cut a deal with Yanukovych.