Four passengers died as 21 heavy car crashes were reported overnight across Bulgaria, according to the data of the country's Interior Ministry.
Other 25 passengers were injured in the hits as two of them are in critical condition.
In the capital city of Sofia the number of traffic accidents during the same period was 190, including two major car crashes, in which two people were injured.
A total of 935 passengers lost their lives in road accidents that occurred on roads across Bulgaria since the beginning of the year. The number of November war-on-wheels' victims has already reached 74.