Two poll personnel were killed and as many injured on Sunday in a landmine blast triggered by suspected Maoists near Chhurchuriya village in Bihar's Jamui district.
The poll personnel were going to Chhurchuriya booth on a tractor when the landmine planted by Maoists went off, sources said.
Two poll personnel on duty for the ongoing panchayat polls died on the spot and other two others were critically wounded, officials said.
The injured were admitted to Sonaho hospital, they said.
Director General of Police Neelmani said heavy reinforcement comprising CRPF and Special Task Force of Bihar police cordoned the area and engaged the ultras in an encounter since the morning. Panchayat elections are underway in Jamui.
Maoists have given a call to boycott the polls.