A woman was allegedly gang raped and murdered along with her husband in Jharkhand's Latehar district on Friday, police said.According to police, unidentified people barged into the house of 32-year-old Kirtu Bhuiya, gang raped his wife and later hacked the couple to death. The incident occurred at Lawagara village of Latehar district.Family members said the couple have three children aged six, eight and 12. The reason for the murders is not known. Police said they are investigating the incident and trying to trace the killers. The bodies were sent for post-mortem.