UN-sponsored talks in Switzerland yielded a provisional agreement to allow civilians to leave a besieged city, but rebel demands for a dictator's exit are hitting a wall.
Though Ukraine's opposition is united against President Yanukovych's government, they are far from monolithic. Who are the players, and how strong are the bonds forged in Kiev's protests?
Are defense and intelligence contractors the best choice to manage a threat they've contributed to?
The EU's top diplomat says that President Yanukovych made clear that he will sign a deal with Brussels – just a day after the US warned it might use sanctions against Ukraine.