Police officers block off the premises of the skyscraper that houses the headquarters of state-owned Mexican oil giant Pemex in Mexico City on January 31, 2013, following a blast inside the building. An explosion rocked the skyscraper, leaving up to now 14 dead and 40 injured, as a plume of black smoke billowed from the 54-floor tower, according to official sources. AFP PHOTO/Yuri CORTEZ
{"Image ImageDescription": "Police officers block off the premises of the skyscraper that houses the headquarters of state-owned Mexican oil giant Pemex in Mexico City on January 31, 2013, following a blast inside the building. An explosion rocked the skyscraper, leaving up to now 14 dead and 40 injured, as a plume of black smoke billowed from the 54-floor tower, according to official sources. AFP PHOTO/Yuri CORTEZ        (Photo credit should read YURI CORTEZ/AFP via Getty Images)", "Image Copyright": "2013 AFP"}