In Jharkhand, one jawan of State police was killed and two others injured in a land mine explosion triggered by Maoists. The incident occurred at Arki police station in Khunti district of the state this morning. State police spokesperson V H Desmukh said when Incharge of police station was returning along with the polling staff suddenly landmine exploded along rodside in which one Havaldar died instantly.Police vehicle also destroyed in this incident A massive combing operation has been intensified to nab the maoists.<br/>