A woman was killed and six others injured when a group of unidentified armed militants intruded from Afghanistan and launched an offensive against local residents on Sunday. Sources said a group of militants crossed the border from Afghanistan overnight and attacked residents living in Kamangira area tehsil Nowagai of Bajaur Agency. An eyewitness reported around 50 Afghan militants equipped with heavy weapons conducted the assault but security forces and the Aman Lashkar cordoned off the area and began retaliation which killed one militant and injured several others. The exchange of fire lasted several hours Militants opened fired at people, killing a woman and injuring six others. The injured were shifted to Agency Headquarters Hospital for medical treatment.