SEREMBAN, Malaysia (AP) — Malaysian doctors conducted a lengthy autopsy Wednesday to determine the cause of death of a 15-year-old London teen whose naked body was found nine days after she mysteriously disappeared from a nature resort.

Nora Anne Quoirin's body was discovered Tuesday beside a small stream about 2.5 kilometers (1.6 miles) from the Dusun eco-resort in southern Negeri Sembilan state, where she went missing on Aug. 4. The body was airlifted to a hospital, where she was identified by her parents.

Negeri Sembilan deputy police chief Che Zakaria Othman told reporters at the hospital...