Arseniy Yatsenyuk

Protesters attend a rally in support of Ukraine, in Tbilisi, Georgia, on August 29, 2014.

Ukraine seeks NATO membership as Russia moves troops across the border

In an emergency meeting Friday, NATO condemned Russian military action in Ukraine and accused Moscow of violating Ukraine’s sovereignty. Now, Kiev has announced its intention to seek NATO membership. But it's still not clear what Western countries can do to stop Russia's invasion.

Ukraine seeks NATO membership as Russia moves troops across the border
Maidan

Ukraine's interim prime minister accuses Russia of wanting to start World War III

Ukraine's interim prime minister accuses Russia of wanting to start World War III

Tensions are high in eastern Ukraine as pro-Russian gunmen remain defiant

Tensions are high in eastern Ukraine as pro-Russian gunmen remain defiant

Pro-Russian protesters dig in for a long fight over eastern Ukraine

Pro-Russian protesters dig in for a long fight over eastern Ukraine

Why does this Ukrainian have a green stain on his face?

Why does this Ukrainian have a green stain on his face?