Two Central Reserve Police Force (CRPF) troopers were killed in a landmine blast in Munger district when they were on their way to a polling station in neighbouring Jamui parliamentary constituency.
The blast was triggered by rebels near Sawa Lakh Baba Mandir, close to Bhimbandh forest in Munger, about 175 km from here.
Additional Director General of Police Ravinder Kumar said the injured security personnel were admitted to a hospital.
The Jamui district administration cancelled voting at 12 polling booths.
Security forces also recovered two IEDs from the spot.