Hundreds of students forcibly stopped nearly half a dozen trains in Bihar on Friday demanding the immediate release of JNU student leader Kanhaiya Kumar, arrested in Delhi on charges of sedition.
The slogan - shouting student demonstrators were allied to Left parties and had the backing of the ruling Rashtriya Janata Dal (RJD), officials said.
The Sampark Kranti Express was halted at Darbhanga station, Janki Express at Khagaria station and Jainagar Samastipur passenger train at Madhubani station, reports received here said.
The other trains were stopped at different railway stations across the state.
The students who took part in the protest were primarily from the All India Students Federation (AISF), All India Students Association (AISA) as well as Students Federation of India (SFI).
Kanhaiya Kumar, who has been sentenced to judicial custody till March 2, is a member of the AISF, which is affiliated to the Communist Party of India (CPI). He belongs to Begusarai district in Bihar.
Kanhaiya Kumar has been accused of raising anti - national slogans at an event on the Jawaharlal Nehru University (JNU) campus in Delhi on February 9. He has denied the charge.