As flames tore through a 12-story hotel at a popular ski resort in northwestern Turkey, friends Esra Karakisa and Halime Cetin stood helpless as the horror unfolded before them, with people leaning out of smoke-filled rooms pleading for help and others making the harrowing decision to jump.

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.

The fire that killed at least 76 people at the Grand Kartal Hotel in the early hours of Monday is one of the deadliest disasters of its kind in Turkish history.