Railway Minister Nitish Kumar on Tuesday ordered an inquiry into the killing of Prime Minister Atal Bihari Vajpayee's grandnephew, who was thrown out of a running train near Kosikalan in Uttar Pradesh's Mathura district on Sunday.

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The minister also visited the spot where Manish Mishra was pushed off a train by some eve-teasers.

"As far as this incident is concerned, it is an incident of crime and police would deal with it," Kumar told reporters.

Kumar said the general manager and the chief security commissioner of the North Central Railway are looking into the case.

The Uttar Pradesh government too has ordered an independent inquiry into the incident.

The prime minister attended the boy's funeral on Monday and told the mourners that the guilty will not be spared.

Uttar Pradesh Chief Minister Mulayam Singh Yadav met the prime minister in New Delhi on Tuesday. 

"I had come here to express my condolences to Vajpayee," Yadav told reporters after meeting the prime minister.