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Rescue workers gather at the site of a metro train accident after an overpass for a metro partially collapsed in Mexico City on Monday night. Photo: Pedro /AFP via Getty Images

A subway train derailed in Mexico City after an overpass partially collapsed onto a road Monday night, killing at least 23 people and wounding dozens of others.

Details: Mexico City Mayor Claudia Sheinbaum told reporters early Tuesday that children were among the dead, and 49 wounded people had been taken to hospitals.

  • The crash happened at 10:25 p.m on Line 12 of the subway system, which opened in 2012, at the Olivos Station in the capital's southeast, according to La Jornada.
  • Milenio TV broadcast footage showing the overpass collapsing onto cars on the road below it.
  • Sheinbaum said a "support beam gave way," causing the overpass to collapse, AP reports.
  • The rescue operation paused at midnight as workers brought in a crane to support the "very weak" train, per AP.

What they're saying: Foreign Minister Marcelo Ebrard, who was mayor of Mexico City when Line 12 was constructed, in a Twitter post called the crash a "tragedy" and said "the causes must be investigated and responsibilities defined."

The big picture: Mexico City's subway system is the second-biggest in the Americas after New York City, handling over 4 million passengers per day, according to the New York Times.

Editor's note: This article has been updated with new details throughout.

Go deeper

Aug 6, 2021 - Axios Denver

Homelessness in Denver to come to a head this fall

An outreach staffer with the Colorado Coalition for the Homeless offers help to a resident living without shelter in 2016. Photo: Joe Amon/The Denver Post via Getty Images

This fall is shaping up to be a critical moment in Denver's decades-long and largely losing battle against homelessness.

Why it matters: The city saw a 21% increase in homelessness between 2018 and 2020, resulting in nearly 4,200 unhoused residents — and experts are anticipating an even steeper spike this year because of economic hardships caused by the pandemic.

Tina Reed, author of Vitals
1 hour ago - Health

New clues emerge on long COVID

Illustration: Maura Losch/Axios

The presence of certain autoantibodies or high amounts of coronavirus RNA in the blood could be indicators a patient has a higher chance of developing long COVID, according to a new study in the journal Cell.

  • Other factors include a person having Type 2 diabetes or the reactivation of the Epstein-Barr virus.

Biden says he'll make Supreme Court pick by end of February

President Biden speaks on the retirement of Supreme Court Justice Stephen Breyer in the Roosevelt Room of the White House. Photo: Yuri Gripas/Abaca/Bloomberg via Getty Images

President Biden on Thursday said he will announce the nominee for Supreme Court Justice Stephen Breyer's replacement by the end of February.

Driving the news: Biden also affirmed that he will nominate a Black woman to replace Breyer, saying "it's long overdue."