An elderly couple died in France of carbon monoxide poisoning, living without electricity due to heavy snowfall, authorities said.

The couple had a generator in a closed room, France Info reported, citing local authorities.

The couple, both in their 70s, were found dead at their home in the Beauvoir de Marc district near Lyon.

The area has been experiencing heavy snowfall since Thursday evening, causing power outages for many families.

Thousands of people remained without power until the weekend.