Students' violent protests against the Railway Recruitment Board's Non-Technical Popular Categories (RRB-NTPC) exam 2021 in Bihar has spread to the entire state with protestors setting a parked passenger train on fire and stoning a running train in Gaya. Visuals from the incident show a train engulfed in flames and the fire brigade rushing to put it out. There's a heavy deployment of police but has failed to control the aggressive students. The protestors have squatted on railway tracks, vandalised property, clashed with security forces and targetted several trains, hampering train movement in the state. Police cleared the tracks and arrested at least four persons in the state capital Patna on Monday.