A group of Maoists detonated explosives on the railway track near Ghoswar village under Sadar police station in the morning to disrupt railway traffic on Muzaffarpur-Hajipur section, railway sources said.
About half a foot long track got totally damaged in the Maoists' attack, they said.
As many as 10 trains, including Avadh-Assam Express, Sabarmati express, Amrapali Express, Lichchavi Express, Maurya Express, Saptkranti Express, Gwalior-Barauni Express, remained stranded at various destinations for several hours, the sources said.
The Maoists have called for a two-day bandh in Jharkhand and Bihar starting today to protest killing of several of their top leaders in clash with another insurgent group in the neighbouring state recently.