Troops flood western Mexico to protect towns

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. Hundreds 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)COALCOMAN, Mexico (AP) — Mexico's top security officials gathered Tuesday in the western state of Michoacan to launch a campaign with thousands of army troops to rescue towns besieged, sometimes for months, by the powerful Knights Templar drug cartel.