Photo - Mexican army soldiers enter the town of La Ruana, Michoacan, Mexico, Monday, May 20, 2013. Residents of western Mexico towns who endured months besieged by a drug cartel are cheering the arrival of hundreds of Mexican army troops. A growing number of people in the state of Michoacan have taken up arms to defend their villages against drug gangs, a vigilante movement born of frustration at extortion, killings and kidnappings in a region wracked by violence. (AP Photo/Marco Ugarte)
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