MEXICO CITY (AP) — An elevated section of the Mexico City metro collapsed and sent the train plunging toward a busy boulevard late Monday, killing at least 23 people and injuring at least 79, city officials said.

MEXICO CITY (AP) — An elevated section of the Mexico City metro collapsed and sent the train plunging toward a busy boulevard late Monday, killing at least 23 people and injuring at least 79, city officials said.