The Minister of Transport, the Minister of Regional Development and the Interior Minister have deposited their resignations.
In the words of Interior Minister, they will bear the political responsibility for the tragic incident near the town of Svoge.
The bus was overturned in a gorge near Svoge on August 25th.
The victims of the road accident are 17 people, while 12 injured remain in treatment in metropolitan hospitals.
Investigation of the tragedy was undertaken by the National Investigation Service.
There are suspicions that the deadly accident could have been caused by defects in the road construction.
It was built by Trace Svoge, which is majority-owned by local construction company Trace Group Hold.
Political analysis by Plamen Asenov.
