The engine and five coaches of a passenger train derailed on Monday morning as suspected CPI (Maoist) activists blew up about 100 metres of railway track near Chamua halt between Narkatiyaganj and Harinagar stations under Samastipur division of East Central Railway.
No casualty or injury to any passenger was reported. Services on Narkatiyaganj-Gorakhpur rail route were suspended after the blast.
Railway officials rushed to the site to supervise restoration works, railway sources said.
Sonepur-Gorakhpur passenger train was passing through the Chamua