This undated frame grab image taken from files made available by IntelCenter and taken from a video posted on a pro-rebel Web site Wednesday March 31, 2010, purports to show Chechen militant leader Doku Umarov. The leader of Chechnya's separatist militants, who claimed responsbility for the Moscow subway bombings that killed 40 people in March, has announced in a purported video posted on YouTube on Sunday, Aug. 1, 2010, that he is stepping down. (AP Photo/IntelCenter, File)
Featured Photo Galleries
