We now know more about the structure fire that occurred Friday morning in Barnett which killed a mother and her daughter. According to the Morgan County Sheriff’s Department, the fire was ruled accidental due to an artificial Christmas tree in the living room that caught fire. 28 year old Joelle Lawson and her 2 year old daughter where caught in the fire and did not make it out alive. The official cause of death will not be released until all reports and lab work are completed from the autopsy. The fire occurred at the 21000 block of Highway 52 and was investigated by the Sheriff’s office and the Missouri state fire marshal.