Members of the right sector sing the national anthem during a rally in center Kiev, Ukraine, Tuesday, July 21, 2015. The radical Right Sector group was one of the most militant factions in the massive protests in Ukraine's capital that prompted pro-Russia President Viktor Yanukovych to flee the country in February 2014. Since war broke out in eastern Ukraine between government forces and pro-Russia separatists several months later, the Right Sector has fought on the government side. (AP Photo/Efrem Lukatsky)
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