When a metro bridge collapsed in Mexico City, at least 15 people were killed and around 70 others were injured on Monday.
The civil protection authority announced this in the online service Twitter.
Mexican media released images from surveillance cameras that showed the bridge collapsed while a train was passing over it.
The accident occurred on Monday evening (10:00 p.m. local time) on line 12 in the south of the Mexican capital near the Olivos station.
Local TV channels showed dozens of firefighters and rescue workers at the scene of the accident.
Rescue workers transport an injured person
Several subway wagons fell a few meters
Source: dpa / Valente Rosas
They tried to free people from rubble, cables and bent steel.
At least one car was also buried under the rubble.
Mayor Claudia Sheinbaum went to the scene of the accident.
"A support beam gave way," she said on site.
The wounded would now be taken to hospitals, said the secretary of the city government, Alfonso Suárez del Real, on the television channel Milenio Televisión.
"What happened on the metro today is a terrible tragedy," tweeted Foreign Minister Marcelo Ebrard.