“We’re going to get to the truth. We’re not going to cover anything up. This is the request we’re making to the prosecutor’s office. There will be accountability,” she said at a tense press conference on Tuesday.
President Andrés Manuel López Obrador called for a swift and open investigation.
“There’s no impunity for anyone,” he told reporters. López Obrador is a former mayor of Mexico’s capital and it has been governed by him and his allies since 2000.
Military guard the site of the disaster. Photograph: Julian Lopez/IPA/REX/Shutterstock
Footage from security cameras showed the overpass collapsing on to a busy street about 10.30pm on Monday night, leaving one of the wagons dangling precariously.