The Bulgarian authorities have announced several versions of the bus accident with the deaths of 46 passengers 
killed 46 people. It was reported by RIA Novosti.
The main possible reasons were the wet road, technical malfunction of the bus and the driver who fell asleep at the wheel. The investigators also admitted that the bus could catch fire even before the accident.
The accident occurred on the 31st kilometer of the Struma highway, Sofia-Blagoevgrad, as a result of the accident a bus with Macedonian numbers caught fire. In total, there were 52 people in it. Initially, 45 deaths were reported, but then their number increased. Among the dead – 12 minors.