Several seats of a Dhaka-bound Titas Commuter train were gutted as a fire broke out in a compartment at Akhaura in Brahmanbaria early Wednesday.
The fire broke out around 3am while the train was being shunted about one kilometre north of Akhaura Railway Station.
Witnesses said gatekeeper Swadhin Ahmed, who was on duty during the shunting operation, spotted the fire inside the train and immediately informed the railway control office and the Fire Service.
A Fire Service team later rushed to the spot and brought the blaze under control.
The fire is initially suspected to have been set deliberately by pouring an inflammable substance inside the train.
Railway police (GRP) and the Railway Nirapatta Bahini (RNB) detained two people in connection with the incident.
Akhaura Railway Station Superintendent Md Nurunnabi said the damaged coach had been detached and kept separately.
The train left Akhaura Station about an hour behind schedule.