"An inquiry has been ordered into the incident," Chairman Railway Board Arunendra Kumar said, adding, the exact cause of the accident is yet to be ascertained. JPN/Agencies
The inquiry would be conducted by the Commissioner of Railway Safety, North East Circle, PK Bajpayee, who will be visiting the accident site.
The Indian Railways has also announced compensation for the kin of those killed and the injured.
The Indian Railways have declared a compensation of Rs one lakh for the next of the kin of those killed and Rs 50,000 for those with grievous injury and Rs 10,000 for passengers with minor injury.
He said Member (Engineering) V K Gupta, Member (Mechanical) Alok Johri and Director General of Railway Health Services R Prashad have rushed to the accident site.
Rail traffic between Delhi and Gorakhpur has been affected and a number of trains have been diverted through other routes, railway officials said.
Emergency helpline numbers in Delhi and Gorakhpur have been activated, they said.
At least 20 passengers were feared killed as the Gorakhdham Express rammed into a stationary freight train in the district.
The incident occurred this morning when the express train came on the same track as the freight train near Chureb Railway Station.
Officials in the Railway Board said that the primary investigations suggest that the mishap occurred due to derailment of the express train.
They said six coaches of the train then rammed into a stationary goods train standing on the adjoining track at the station.
Out of the six coaches, four were general coaches and two were AC coach-- AC first class and AC two tier.
"An inquiry has been ordered into the incident," Chairman Railway Board Arunendra Kumar said, adding, the exact cause of the accident is yet to be ascertained.