Mexico's President Enrique Pena Nieto awards a certificate of recognition to an emergency worker for his efforts in the aftermath of last week's explosion at the Mexico's state-owned oi

 

              Mexico
Mexico's President Enrique Pena Nieto awards a certificate of recognition to an emergency worker for his efforts in the aftermath of last week's explosion at the Mexico's state-owned oil company Petroleos Mexicanos or Pemex, that killed 37 people in Mexico City, Friday, Feb. 8, 2013. A gas buildup ignited by an electrical spark or other heat source caused the blast that killed the 37 people and wounded dozens said Mexico's attorney general. (AP Photo/Eduardo Verdugo)