French police were investigating a possible arson attack as being the main cause for a power outage which hit the Alpes-Maritimes region in southern France, including Cannes which is hosting its world-famous annual film festival.

A major power cut across southern France left around 160,000 homes without electricity on Saturday and impacted the town of Cannes, which is currently hosting its annual international film festival.

A major power outage hit Southern France on Saturday (May 24), including Cannes. The annual film festival of Cannes is currently on. The disruption reportedly impacted Cannes 2025, but the film festival's schedule will go as planned.