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A man tries to extinguish a burning vehicle after an accident, on the Acapulco-Zihuatanejo federal highway, in the state of Guerrero, Mexico, Dec. 30, 2017. Three vehicles crashed into each other and burst into flames on a highway in south Mexico's Guerrero state, killing 10 people, including five members of a vacationing family visiting from the U.S., officials reported on Saturday.(Xinhua/Str)?