Nearly 45,000 people suffered a power outage in and around Nice, southern France on Sunday, after an electrical transformer was set on fire overnight, according to the city’s mayor.

A second major power outage has hit southeastern France, this time in the city of Nice, after a suspected arson damaged an electrical facility.

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