Railway authorities have formed a four-member investigation committee after nine coaches of the Dhaka–Chilahati-bound Nilsagar Express derailed in Bagmari area of Adamdighi upazila, Bogura. The incident occurred on Wednesday morning when the train, which departed Dhaka at 6:45 a.m., reportedly failed to follow a banner signal while heading toward Tilakpur station. A total of 66 passengers were injured in the accident.

According to official information, 20 injured passengers are receiving treatment at Naogaon Sadar Hospital, while 40 others were released after primary care. Six more were treated and released from Adamdighi Upazila Health Complex in Bogura. Relief trains from Ishwardi and Parbatipur were dispatched to assist in rescue operations. The investigation committee is led by the chief transport officer and includes the mechanical engineer, chief engineer, and chief signal engineer.

Railway authorities have warned that Thursday morning’s Nilsagar Express and Ekota Express departures from Dhaka may face slight delays. They have expressed regret for the temporary inconvenience caused to passengers.