Kannauj (UP): A Delhi-bound bus collided with a truck on the Lucknow-Agra Expressway early Tuesday, killing four passengers and injuring two others, police said.

There were about 40 passengers in the bus that left from Gorakhpur.

Additional Superintendent of Police (ASP) Dr. Sansar Singh said that the deceased has not been identified yet.

The injured have been admitted to Shri Bhimrao Ambedkar Government Medica College, Tirwa and the seriously injured have been referred to Kanpur.

Traffic on the road was affected due to the accident.