Tangail Sadar police station officer-in-charge Abu Salam Miah said the goods wagon next to the locomotive derailed at 4:57 am. No one was injured in the accident.
Visiting the spot, Tangail Sadar Upazila Nirbahi Officer (UNO) Hasan bin Mohammad Ali said the incident did not appear to be primarily an act of sabotage.
He said only one coach out of 16 in the train derailed. To save the train, a train has left from Dhaka. The passengers on board the plane were sent to Dhaka by Tangail commuter train at around 7.30 am.