At least four persons were killed and 20 others injured when a tempo collided with a bus at Gothgaon of eastern Morang district Monday morning.

Sita Dhungel, Pawan Singh and two other unidentified persons were killed when the tempo (Me-1-Kha 997) they were traveling in was hit by a passenger bus (Ko-1-Ha 1443), reports said.

The injured passengers have been admitted at the BP Koirala Institute for Health Sciences in Dharan for treatment.