Four persons were killed and 13 others injured when a bus collided with a truck at Lalpool on NH 52 in Darrang district, police said on Sunday.
The bus was on its way to Nalbari in lower Assam from Tezpur when it collided with a truck coming from the opposite direction at Lalpool last night, they said.
Three bus passengers died on the spot, while another person succumbed to his injury on way to the Guwahati Medical College Hospital (GMCH) in Guwahati.
The injured were being treated in the Mangaldoi civil hospital while five passengers whose condition was stated to be critical were referred to the GMCH.
The drivers of both the bus and the truck were absconding, police added.