No one was hurt in the incident.
The coupling connecting the bogies with the engine broke down, leading to the incident. The train was later brought to the Mailani junction for repair and safety check up, they said.
Public Relation Officer at Lucknow Divisional Railway Manager's office Alok Kumar Srivastava while confirming the incident ruled out damage to the train or the passengers.
Owing to this, the traffic between Bankeyganj and Mailani railway stations was disturbed for over an hour, the PRO added.