Both the vehicles were on the same lane from Noida to Agra when the incident took place near Chapargarh village in the Dankaur area
The women numbering over a hundred blocked the Expressway briefly in the morning to protest the alleged detention of some agitating farmer leaders.
The man was in the driver's seat with a pistol in his right hand, while his wife and children in the back seat.
Six passengers, who were seriously injured, were admitted to a hospital in Jewar and the remaining injured were rushed to another facilities, the SP said.
Prima facie it appears that the bus was moving at a high speed and the driver fell asleep.