PHOTOS: Massive earthquake in Mexico

Rescue workers search for people trapped inside a collapsed building in the Del Valle area of Mexico City, Wednesday, Sept. 20, 2017. Mexicans across the city are digging through collapsed buildings, trying to save people trapped in debris under schools, homes and businesses, toppled by a 7.1 earthquake that killed more than 200 people. (AP Photo/Rebecca Blackwell)

A 7.1 magnitude earthquake struck Mexico on Sept. 19, 2017, killing hundreds of people and collapsing many buildings.