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Mexico volcano ash disrupts US flights for second day

Ash spew from Mexico's Popocatepetl volcano, some 55 km from Mexico City, as seen from San Mateo Ozolco, in the Mexican central state of Puebla, on July 4, 2013. Four US airlines canceled at least 10 flights to and from Mexico City's airport Friday after Four US airlines canceled at least 10 flights to and from Mexico City's airport Friday after the Popocatepetl volcano spewed more ash, a day after hundreds of air passengers were stranded for the same reason, an airport spokesman said.