Four people were killed and 30 injured in a head-on collision between two pilgrim buses in Punjab's Taran Taran district. 18 of them are in critical condition. A bus driver who was trying to avoid a scooty swerved his vehicle and hit another bus coming from the opposite direction. The dead included a woman riding a scooty, a bus driver and two pilgrims. The injured have been taken to hospitals. CM Bhagwant Mann expressed grief over the incident.