December 31, 1969
MEXICO CITY -- At least six U.S. airlines canceled 47 flights into and out of the Mexico City and Toluca airports Thursday after the Popocatepetl volcano spewed ash, steam and glowing rocks, airport officials said.
Mexico City airport spokesman Jorge Gomez said U.S. Airways, Delta, United, American and Alaska Airlines canceled the flights as a precaution. But he said the airport otherwise continues to operate normally and that by Thursday afternoon no ash had reached the area, about 40 miles (70 kilometers) northwest from the volcano.
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