A serious accident on the Sub-Balkan road caused a kilometer-long traffic jam. 

Traffic on the Sofia-Burgas road has been blocked for several hours.

A patrol car was also hit in the incident.

Initially, the accident occurred between trucks due to improper overtaking, after which the patrol car stopped the traffic, and another car hit it, reports Nova TV. 

There are no reports of casualties or serious injuries.

Traffic is expected to be released at any moment.

A chain accident with 10 cars and two tires on the Ring Road in Sofia

Chain crash

The sub-Balkan road