Officials say a waitress who jumped out of a burning hotel at a popular ski resort has succumbed to her injuries, becoming the latest victim of tragedy that has shocked the nation and revived concerns over lax safety regulations in the country.

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.

Authorities in Turkey have detained 11 people they said are involved in the fire that killed 79 people and injured dozens at a ski resort in the Bolu mountains. The fire occurred at the Grand Kartal H

Witnesses have described standing helplessly and paralyzed by the horror of people screaming for help or jumping out of windows as flames tore through a 12-story hotel at a popular ski resort.

In the aftermath of the incident, Turkish President Recep Tayyip Erdogan announced a day of national mourning to be observed on Wednesday. Rescue teams and local authorities are investigating the cause of the fire,

Other experts who spoke to the media explained that, given the death toll, the likelihood of the hotel having properly functioning warning, detection and extinguishing system was slim.

At least 66 people have been killed and 51 have been injured after a fire broke out at the Grand Kartal Hotel which is in a popular ski resort in Bolu province, Turkey, it's been reported

Turkish authorities have detained 11 individuals as part of an investigation into a fire at a ski resort in the Bolu mountains that killed at least 79 people and left dozens injured, according to authorities.

Witnesses have described standing helplessly and paralyzed by the horror of people screaming for help or jumping out of windows as flames tore through a 12-story hotel at a popular ski resort

The fire broke out at the Grand Kartal Hotel in the resort of Kartalkaya early on the morning of Tuesday, Jan. 21