About 50 cars collided in a massive accident on the highway of Bulgarian Thrace near the city of Yambol.
According to a new TV channel, there were casualties as a result of the chain accident and after the impact a fire broke out on the highway.
The reason for the large-scale mess was thick fog, which sharply deteriorated visibility on the high-speed section of the road. Emergency and rescue forces are now operating on the scene; Traffic on the highway is severely affected.