A woman holds a poster of a Pemex employee, who has been missing since an explosion at the headquarters of Pemex, outside Pemex hospital in Mexico City

 
A woman holds a poster of a Pemex employee, who has been missing since an explosion at the headquarters of Pemex, outside Pemex hospital in Mexico City
A woman holds a poster of Maria de la Cruz Canales Gutierrez, a Pemex employee who has been missing since an explosion at the headquarters of state-owned oil giant Pemex, outside Pemex hospital in Mexico City February 4, 2013. Mexican rescue workers found three more bodies over the weekend amid the rubble of the deadly blast that tore through Pemex's main office complex, the government said, as search efforts appeared to near a close.The death toll from Thursday's explosion stands at 36, Pemex said via Twitter. One person was reported still missing. REUTERS/Edgard Garrido