Prayagraj: An Army havildar, visiting home on leave, was attacked and killed by unidentified miscreants on late Friday night. He was found with severe head injuries in his car from Neem Sarai area under Dhumanganj police station. Police have registered an FIR against unidentified assailants and a woman who was with the havildar in his car at the time of the incident. Police have detained the woman and are also looking into her charge that she was gang-raped by the assailants. Reports said the havildar’s blood-stained body was found by his family members on the information given about the woman. They rushed him to the Military Hospital (MH), Prayagraj, where the doctors declared him dead.