Maoists blew up a stretch of railway track near Karmavad railway station in Giridih district in the wee hours today.
The blast which occurred around 2 a.m. destroyed a metre-long track including wheels of a goods train, the Divisional Railway Manager, (Dhanbad Railway Division), A. Upadhaya, said here.
He said several trains have been stopped at various points following the damage to the track.