Two pile-ups on the Trakia motorway near the Zimnitsa junction, close to Yambol, killed 11 people yesterday morning. Another 51 are in hospital, the Interior Ministry said.
In all, 86 vehicles were involved in the two crashes.
Across Bulgaria, 13 road accidents in the past 24 hours left 11 people dead and 65 injured. In Sofia, there were 3 serious and 27 minor crashes, and three people were hurt.
Since the start of the month, Bulgaria has had 168 road accidents, with 20 people killed and 259 injured.
Since the start of the year, there have been 5,944 accidents, in which 434 people died and 7,412 were injured. The number of deaths is 49 higher than the actual figure for the same period of 2025.