NAWALPARASI: One passenger was killed and 21 others were injured when a bus heading to Kathmandu from Nepalgunj met with an accident in Makar-2, Chisapani in Nawalparasi district along the East West highway on Friday night. According to the police the deceased was the bus staff. The condition of two injured-- Udaya GC and Jay Dhakal is reported to be critical while the others are being treated in local medical centres. The police said the accident occurred when bus collided with a stationary truck.