People remove debris from a collapsed building, looking for possible victims after a quake rattled Mexico City on September 19, 2017. #

People react as an earthquake shakes Mexico City on September 19, 2017, moments after an earthquake drill was held in the capital. #

Remains of a damaged building, after an earthquake in Mexico City, on September 19, 2017. #

A person rescued from the rubble gets medical assistance after a powerful quake in Mexico City on September 19, 2017. #

A man walks out of the door frame of a building that collapsed after an earthquake, in the Condesa neighborhood of Mexico City, on September 19, 2017. #

A car crushed by debris from a damaged building in Mexico City on September 19, 2017. #

An injured person is taken away on a stretcher by rescuers on September 19, 2017, in Mexico City. #

An injured woman is helped after a powerful quake in Mexico City on September 19, 2017. #

People remove pieces of a collapsed building in Mexico City on September 19, 2017. #

People remain in the streets after a quake shook Mexico City on September 19, 2017. #

A rescuer looks for possible victims after a quake in Mexico City on September 19, 2017. #

A man is pulled from the rubble alive, following an earthquake in Mexico City, on September 19, 2017. #

The collapsed facade of a building litters a street in Mexico City on September 19, 2017. #

People react after a quake rattled Mexico City on September 19, 2017. #

A smashed car sits outside a building after an earthquake in Mexico City on September 19, 2017. #

A woman is carried away after being pulled out of the rubble of a collapsed building in Mexico City on September 19, 2017. #

People are assisted after being injured during the earthquake in Mexico City on September 19, 2017. #

A boy with his face covered due to a gas leak holds a man's hand as people gather in Reforma Avenue after the quake on September 19, 2017. #

People hurry to free possible victims from the rubble of a collapsed building in Mexico City on September 19, 2017. #

An injured man is carried away by rescuers in Mexico City on September 19, 2017. #

A construction worker searches a building that collapsed after an earthquake, in the Roma neighborhood of Mexico City, on September 19, 2017. #

Patients lie on their hospital beds after being evacuated following the earthquake in Mexico City on September 19, 2017. #

A collapsed building stands after an earthquake in the Narvarte neighborhood of Mexico City on September 19, 2017. #

Volunteers search a building that collapsed after an earthquake in the Roma neighborhood of Mexico City on September 19, 2017. #

A man is rescued from a collapsed building in the Condesa neighborhood after an earthquake struck Mexico City on September 19, 2017. #

Rescue workers and volunteers search for survivors in a collapsed building in the Del Valle neighborhood in Mexico City on September 19, 2017. #

Mexican rescuers search for survivors in a severely damaged multistory building in Mexico City on September 19, 2017. #

People climb over the debris of a collapsed building in Mexico City on September 19, 2017. #

First responders work on removing the rubble of a collapsed building in Mexico City on September 19, 2017. #

People in Mexico City pass buckets and shovels to remove the rubble of a collapsed building on September 19, 2017. #

Firemen search for survivors in a four-story building that collapsed in the Colonia Obrera neighborhood of Mexico City on September 19, 2017. #

People walk past victims of a powerful quake in Atzala, Puebla, Mexico, on September 19, 2017. #

Rescuers, firefighters, policemen, soldiers, and volunteers search for survivors in Mexico City early on September 20, 2017. #

A rescuer pulls a dog out of the rubble during the search for survivors in Mexico City on September 20, 2017. #