Ranchi: A Jharkhand police hawildar identified as Nand Kishore Singh (47) died in an accidental fire while he was cleaning his rifle in Tundi area of Dhanbad district on Monday. After the firing incident, Singh was taken to Sahid Nirmal Mahto Medical College but he succumbed to his injuries. A police officer informed that probe is on . A Police Men's Association (PMA) official Rehman Khan informed that Singh was a resident of Palamu area and was posted in small action team in extremist affected Tundi.