A serious traffic jam has formed in the direction of Sofia at the "Trayanovi Vrata" tunnel on the "Trakia" highway.
The cause of the traffic jam is a burning passenger car, and according to information from Novini.bg at the scene of the incident, the column of cars is kilometers long.
There are currently no official data on casualties.
Drivers are urged to avoid the area if possible, or to be patient.
Police are regulating traffic on site.