Authorities in Mexico said 13 people were killed and 70 others injured when a section of the Mexico City subway bridge collapsed Monday night, the moment a train passed over it.

A local TV channel showed footage of the bridge collapsing onto cars traveling on a road below.

Other video clips broadcast on television and social media showed emergency medical teams and firefighters at the scene of the accident combing the scene in search of survivors.

#ULTIMAHORA: Así el rescate de algunos pasajeros lesionados en el accidente de la línea 12 del #Metro #Cdmx entre las estaciones Olivos y Tezonco.

pic.twitter.com/WUyrLrGHaM

- Carlos Zúñiga Pérez (@Carloszup) May 4, 2021

Journalist Carlos Zونيñiga Perez posted a video clip on his Twitter page showing the rescue of a survivor.

The New York Times quoted the Mayor of the Mexican capital, Claudia Shinbaum, as having rushed to the scene to find out the rescue operations.

According to the American newspaper, the tunnel system in Mexico City is the second largest in the American continent, after the one in New York.

About 4 million people in Mexico use the subway for transportation every day.