A car fell into a drainage canal on the road between the village of Voysil and Saedinenie, Plovdiv region. A report was filed at around 00:30 on tel. 112.
The driver and two passengers were identified at scene and transported to hospital.
During the inspection of the scene, another passenger was found outside the car, who was pronounced dead.
A pre-trial investigation has been initiated into the case. The causes of the accident are being clarified.