The cargo section of a passenger train travelling from Lagos to Kano on Saturday got detached from the main body and later derailed in Osogbo, Osun state.
Mechanical fault was suspected as cause of the accident.
The three wagons attached to the end of the passenger train got detached from the rest of the coaches at Ifon area of Osun at about 1:45 a.m.
The pilotless wagons lumbered to the interchange at the terminus around Old Garage area in Osogbo where the wheels got off the track and the wagons tumbled.
A witness, Mr. Biodun Opatoyinbi, said the train conductor popularly called Baba Ibeji was the only person in the cargo area at the time of the accident.