There were oil pipes on the front of the bus, due to heating and heating, Bulgarian expert gives the findings about the accident

The bus has hit the fence, while the right front tire has exploded, and the bus has moved and oil has been spilled, which the bus driver had possessed and held at the front of the bus next to him in several pipes.

The explosion was due to heat that had been released from the bus. That is why the last part of the bus is a little more guarded than the front section.

These are the first findings by internal engine expert who had arrived at the first moments after the tragedy.

According to him, the driver appears to have had some pipes filled with oil, near the front seats, and because of what happened and what happened.

Twenty minutes earlier the bus had had a pause on a gas pump, and according to expert Pirgov, the driver fell asleep at the wheel because he didn't have to lose control of the bus.