MEXICO CITY: At least four people died and others were injured on Wednesday evening in the northern Mexican state of Nuevo Leon after a structure collapsed at a campaign event for the Citizens’ Movement party, local newspaper Reforma reported.

The party’s presidential candidate, Jorge Alvarez Maynez, said on social media that a gust of wind caused the stage to collapse at the event in the city of San Pedro Garza Garcia, a wealthy enclave near the industrial hub of Monterrey.

Alvarez said he was “OK” after being taken to a local hospital, but that members of his team were hurt and he was traveling back to the site of the accident.

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In a video shared to social media on Wednesday evening, Nuevo Leon Governor Samuel Garcia warned residents to stay indoors amid strong thunderstorms in the area, citing the accident.