A second power outage in two days his hit the French Riviera region after a fire at a substation in Nice overnight, which authorities said was caused by a malicious act.

A power cut was reported in the southern French city of France on Sunday, one day after an outage disrupted the nearby Cannes Film Festival. Almost 45,000 households in Nice were affected on Sunday morning due to a fire at a power station,

An arson attack and damage to a transmission tower cut off power in the area, the authorities said. The festival’s closing ceremony on Saturday is scheduled to proceed normally.