1/10Media representatives watch an F-16 fighter jet take off at an airbase in Poland. NATO began wargames in Poland with U.S. jets due to join the exercises in support of its eastern allies, Lask airbase, central Poland, March 11, 2014.
2/10A member of a self-defense volunteer group, with makeshift shin guards bearing a picture of a wolf, polishes his boots in Kyiv's Independence Square, Ukraine, March 11, 2014.
3/10A poster calling for people to vote in the upcoming referendum is seen in Simferopol, Crimea, Ukraine, March 11, 2014.
4/10Members of a Crimean self-defence unit check the passport of a passenger at the railway station in Simferopol, Crimea, Ukraine, March 11, 2014.
5/10A man rides a bicycle as armed men, believed to be Russian serviceman, stand guard outside a Ukrainian military unit in the village of Perevalnoye, near Simferopol, Crimea, Ukraine, March 11, 2014.
6/10Ukrainian Prime Minister Arseny Yatseniuk addresses parliament. Ukraine's parliament warned the regional assembly in Crimea, now controlled by pro-Russia forces, that it faces dissolution unless it cancels a refeferendum, Kyiv, March 11, 2014.
7/10Armed men, believed to be Russian servicemen, stand guard outside a Ukrainian military unit in the village of Perevalnoye, near Simferopol, Crimea, Ukraine, March 11, 2014.
8/10Ousted Ukrainian President Viktor Yanukovich makes a statement during a news conference saying that Crimea is breaking away from Ukraine and blaming opponents who forced him from power, Rostov-on-Don, Russia, March 11, 2014.
9/10A Ukrainian government supporter reads a newspaper as he guards Ukrainian parliament building in Kyiv, Ukraine, March 11, 2014.
10/10A woman holds a banner that reads: "Putin is Occupier" during a rally against the breakup of Ukraine in Simferopol, Crimea, Ukraine, March 11, 2014.
