MEXICO CITY (AP) — A gas buildup ignited by an electrical spark or other heat source caused the blast that killed 37 people and wounded dozens of others last week at the state oil company's headquarters, Mexico's attorney general said.
MEXICO CITY (AP) — A gas buildup ignited by an electrical spark or other heat source caused the blast that killed 37 people and wounded dozens of others last week at the state oil company's headquarters, Mexico's attorney general said.
