The autopsy of Nick and Aaron Carter’s sister, Leslie Carter, has been completed and the cause of death marked as unknown, pending toxicology reports, RadarOnline.com is reporting.

HollywoodLife.com spoke to Chautauqua County Coroner’s Office in upstate New York, Tuesday, who confirmed the autopsy had been finalized and that the singer’s body has been released to a local funeral home. They also report that Carter was visiting her father in Chautauqua County, New York, when she died -- Leslie lived in Canada, approximately an hour and a half drive away from her father’s home.

As RadarOnline.com previously reported, Leslie died Tuesday, age 25.