At least 15 killed after train bridge collapses in Mexico

At least 13 dead, 70 injured after Mexico City overpass collapses with train: Authorities

The city's Comprehensive Risk Management and Civil Protection Agency had initially put the toll at 13 and 70 people injured.

How did the accident happen?

Photos and video from the scene show people climbing ladders to help those trapped inside out of the train through windows.

"A support beam gave way", Sheinbaum explained, adding that the beam collapsed just as the train passed over it.

López said:"We lost contact with her, at 10:50 pm, there was literally no more contact".

Rescue efforts were temporarily suspended until a crane was brought in. 'We don't know if they're alive, ' she said.

Videos posted online show two train cars crashing into one another on the ground, landing in a V-shaped angle. The tweet said that there were still people trapped inside the carriages.

Line 12 opened in 2012 and was built when foreign minister Marcelo Ebrard was mayor of Mexico City.

The accident happened on the city's Line 12, the construction of which, according to the Associated Press, has been the subject of numerous complaints and accusations of irregularities. He responded to the news on Twitter.

The collapse occurred on the newest of the Mexico City subway's lines, Line 12, which stretches far into the city's southside.

"What has happened on the metro today is a bad tragedy", tweeted Mexican foreign minister Marcelo Ebrard. "My solidarity with the victims and their families", Ebrard said.

'Of course, the causes must be investigated and responsibilities defined. "I repeat that I am entirely at the disposition of authorities to contribute in whatever way is necessary".

In March of past year, a collision of two trains at the Tacubaya station left one passenger dead and injured 41 people.