On January 31 , 2013 , a powerful explosion rocked the tower , claiming 37 lives and injuring approximately 126 . The explosion is believed to have occurred in the basement of the building 's link to an adjacent building ( which took the most damage ) . A gas leak and following accumulation ignited by sparks is believed to be the cause of the explosion . Employees said that the Torre Ejecutiva swayed and vibrated for a few seconds
powerful explosion
Torre Ejecutiva Pemex explosion
Torre Ejecutiva Pemex