French authorities believe arson may have played a role in a power outage Saturday in southeast France that threatened to jeopardize the Cannes Film Festival’s closing celebrations, including the much...

a power outage, apparently caused by deliberate sabotage, shut down the power grid serving the city and much of the surrounding region.

About 160,000 households in the Alpes-Maritimes department lost electricity after a high-voltage line fell Saturday morning, electricity network operator RTE said on X.