Images from Ukraine

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Pro-Russian militia men arrive to take positions outside an airport in Donetsk, Ukraine, May 26, 2014.

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A woman reacts after seeing the lifeless body of a man killed by shrapnel following a shelling from Ukrainian government forces in Slovyansk, Ukraine, May 26, 2014.

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NASA's Hubble Space Telescope has unveiled a small section of the expanding remains of a massive star that exploded about 8,000 years ago. Called the Veil Nebula, the debris is one of the best-known supernova remnants, deriving its name from its delicate, draped filamentary structures. (Image Credit: NASA/ESA/Hubble Heritage Team)

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A military truck with armed pro-Russian militants drives through a police checkpoint toward the airport at Donetsk, Ukraine, May 26, 2014.