A teenage girl in Kholagaun village of Rukum district was murdered after a gang rape, a postmortem report revealed on Wednesday. 16-year-old Susmita Shah from Sarkena, Kholagaun-5, was gang-raped before her murder on Monday, Dr. Deepak Pun of the Jajarkot District Hospital said. The body was brought to the hospital for an autopsy on Tuesday. Her body was recovered in a forest nearby her house by locals on Monday night. The girl had left for the forest at around 4 pm on Monday to collect firewood. The family members had launched a search after she did not return home till the late night. The victim was an 11th grader at the local Himalaya Higher Secondary School. Police Inspector Pushpa Kamal Shrestha said police have launched an investigation into the case.