The engine of Lucknow-bound Ganga-Gomti Express train got separated from its bogies on Tuesday morning near Ramchaura station in Prayagraj district.
The incident took place due to broken coupling links.
After moving about 200 metres, the loco pilot stopped the engine.
The guard informed the control room about the incident. On the advice of a technical team, the power of the OHE line was cut.