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Investigation into Hermosillo fire that killed 24 enters 2nd month

Police say 23 people were killed at a Waldo's in Hermosillo, Mexico, on Saturday, Nov. 1, 2025.
Secretaría de Seguridad Pública de Sonora
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Police say 23 people were killed at a Waldo's in Hermosillo, Mexico, on Saturday, Nov. 1, 2025.

It’s been more than a month since an explosion and fire at a discount store in Hermosillo’s busy downtown killed two dozen people, including six children.

Families of the victims and Hermosillo residents are still waiting for answers as to the causes of the fire, which the prosecutor’s office suspects was related to a transformer located inside the store.

State authorities found prior safety certifications for the building lacking and are now reviewing them.

This week, the state of Sonora’s attorney general, Gustavo Salas, said investigators found a document was filed with government authorities that “didn’t match up with reality” but didn’t elaborate on the type of document.

“The investigation will be comprehensive, analyzing all actions before, during and after the tragedy,” Salas said.

Authorities have so far not made any arrests in connection to the fire.

More news from KJZZ's Hermosillo Bureau

Nina Kravinsky is a senior field correspondent covering stories about Sonora and the border from the Hermosillo, Mexico, bureau of KJZZ’s Fronteras Desk.