Two persons were killed and two others injured when their tractor collided with a truck in Mardah area of the district, police said today.
    
Harinarain Rajbhar (25) and Vibhuti Rajbhar (41) died when the vehicle in which they were travelling collided with a truck in Navpurwa area of the district last night, they said.
    
The injured were admitted to district hospital, where their condition was stated to be stable, they added.