Turkey has detained nine people as part of an investigation into a fire that killed 76 people and injured dozens at a ski resort in the Bolu mountains, authorities said.

At least 66 people were killed and 51 injured as a fire ripped through a ski resort hotel in northwestern Turkey on Tuesday, according to the country’s interior ministry.

At least 66 people were killed in a fire at a hotel at a popular ski resort in north-western Turkey on Tuesday, Turkish Interior Minister Ali Yerlikaya said. At least 51 other people were injured in the blaze.