At least 13 children were killed and five critically injured after a train smashed into a small school bus in Northern India.

The students, all aged below 10, were being driven to class in Uttar Pradesh State when a passenger train collided with their vehicle at an unmanned railway crossing.

Officials said the impact of the crash lifted the bus several metres into the air, killing 10 children instantly.

Three succumbed to the injuries at the hospital and five remain critical.Local television showed footage of dozens of locals attempting to rescue the children from the vehicle’s mangled wreckage.