At 00:35 on the Aksakovska Panorama embankment near Varna, an accident occurred between three cars, the Bulgarian National Radio reported.
The one at fault for the accident was driving in the direction of Varna-Dobrich and entered the oncoming lane, hitting two other cars that were traveling towards Varna.
The driver of the Seat at fault had a blood alcohol level of 1.47.
The driver of one of the injured cars has multiple fractures and is being treated in an orthopedic hospital, but his life is not in danger.
There are five other slightly injured people with injuries who have been released for home treatment.
Pre-trial proceedings have been initiated in the case.
The driver at fault is 47 years old, from the town of Valchi Dol.
The victim with fractures is a 19-year-old from Varna.