MARIUPOL, Ukraine/MOSCOW (Reuters) - Separatists attacked a Ukrainian national guard base overnight and Kiev said three of them were killed, the worst bloodshed yet in a 10-day pro-Russian uprising, accompanied by tough words from Vladimir Putin that overshadowed crisis talks.






Source: [url=http://feeds.reuters.com/~r/Reuters/worldNews/~3/68nel4e6GLs/story01.htm]Three dead in east Ukraine, Putin warns of 'abyss'[/url]