Today In Pictures: Feb. 1, 2013

Employees and rescue workers listen as Minister of the Interior Miguel Angel Osorio Chong addresses a press conference at the headquarters of state-owned Mexican oil giant Pemex in Mexico City, Jan. 31, 2013,, following an explosion inside the building. An explosion rocked the skyscraper, leaving up to 25 dead and 101 injured, according to official sources. (Yuri Cortez/AFP/Getty Images)