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FILE - In this April 14, 2016 file photo, New Mexico Governor Susana Martinez speaks during the New York Republican State Committee Annual Gala in New York. The Republican Party of New Mexico says news media will not be allowed to attend its election-year state convention at a Native American-owned casino outside Albuquerque. The New Mexico GOP convention will decide a heated contest for a seat on the Republican National Committee that has veered into recriminations about the state economy and criticism of Gov. Martinez and her top political adviser. (AP Photo/Kathy Willens, File)

Deadly Mexico casino fire kills dozens

President Felipe Calderon declared three days of mourning on Friday after armed men torched a casino in Mexico, killing at least 52 people.