A lorry hit an Audi at the roundabout under the viaduct to the Meden Rudnik district in Burgas. Drivers who passed through reported the crash and heavy traffic.
First reports say the lorry struck the car as it went through the roundabout. A person in the car was injured.
The person's condition is not known. The cause of the crash is also unclear, and police have no official information on it yet.
Traffic slowed after the crash, and queues of cars formed, crawling through the spot. The roundabout is one of the busiest junctions on the road to Meden Rudnik, the largest residential district in the city.
The competent authorities will establish the circumstances and who is to blame. Drivers heading to and from the district should take care in the area.