Tamil Nadu, July 8 -- A passenger train collided with a school van in Sembankuppam, killing at least two children. A total of three people have been critically injured. The incident took place around 7:40 am, a police official said.

Cuddalore SP SP Jayakumar said, "Two students dead, two students and the bus driver injured. The Railway Police, railway authorities and the State Police are conducting further investigation."

"One of them died on the spot, while another at the hospital. The driver is getting treatment. The reason behind it will be known after the investigation," he added.

A railway relief train with medical relief van was sent to to the spot. The Divisional Railway Manager (DRM) and Branch Officers also were going there. S...