The family of a London teenager found dead after she disappeared from a Malaysian nature resort last year is suing the site’s owner for alleged negligence and has urged the government to hold an inquest to determine what happened to her.

Nora Anne Quoirin’s disappearance from her family’s cottage at the Dusun eco-resort in the southern state of Negeri Sembilan on 4 August last year sparked a massive search operation. Her naked body was discovered on 13 August beside a small stream about 1.6 miles from the resort.

Police have said there was no sign the 15-year-old had been abducted or raped, with a preliminary postmortem investigation showing she succumbed to intestinal bleeding due to starvation and stress.

Sankara Nair, a lawyer for Nora’s parents Meabh and Sebastien Quoirin, said the family strongly believed Nora was abducted as she has mental and physical disabilities and could not have wandered off on her own.

The lawsuit says a cottage window was found ajar, with its latch broken, on the morning she disappeared.

Search for missing Nora Quoirin in Malaysia Show all 9 1 /9 Search for missing Nora Quoirin in Malaysia Search for missing Nora Quoirin in Malaysia A Royal Malaysian Police officer points to a map showing the search and rescue operation area for the missing 15-year-old Franco-Irish teenager Nora Quoirin in Seremban AFP/Getty Search for missing Nora Quoirin in Malaysia Members of a rescue team conducts a search and rescue operation for a missing British girl at a forest in Seremban EPA Search for missing Nora Quoirin in Malaysia A member of a rescue team conducts a search and rescue operation for a missing British girl at a forest in Seremban, Negeri Sembilan, Malaysia, Thursday, Aug. 8, 2019. Malaysian police said Wednesday they were analyzing fingerprints found in a forest resort cottage where Nora Anne Quoirin, the British teenager, was reported missing AP Search for missing Nora Quoirin in Malaysia A member of a rescue team conducts a search and rescue operation for a missing British girl at a forest in Seremban AFP/Getty Search for missing Nora Quoirin in Malaysia Royal Malaysian Chief of Police of Nilai District Mohd Nor Marzukee Besar (C) conducts a briefing before a search and rescue operation for the missing 15-year-old Franco-Irish girl Nora Quoirin in Seremban AFP/Getty Search for missing Nora Quoirin in Malaysia Members of Malaysian rescue team prepare for a search and rescue operation for the missing the 15-year-old Franco-Irish girl Nora Quoirin in Seremban AFP/Getty Search for missing Nora Quoirin in Malaysia A Police K9 unit team conducts a search and rescue operation for a missing British girl at a forest in Seremban AP Search for missing Nora Quoirin in Malaysia A member of a rescue team conducts a search and rescue operation for a missing British girl at a forest in Seremban AP Search for missing Nora Quoirin in Malaysia A member of a rescue team conducts a search and rescue operation for a missing British girl at a forest in Seremban AFP/Getty

The resort gate was left open at all times without any security, and there was no surveillance camera except for the reception area, the legal papers said.

Nora had poor motor skills and needed help to walk, and her mental age was about five or six years old, her parents said in the claim.

Mr Sankara said outside a court in Negeri Sembilan after a procedural session on the case: “The place was not safe for the child because of the negligence ... anybody could have come in and taken the child.”

Nora’s French-Irish parents are seeking more than 180,000 ringgit (£34,000) over losses, bereavement costs and damages for pain and suffering from resort owner Helen Marion Todd.

Ms Todd’s lawyers were not immediately available for comment.

Mr Sankara said the family asked Malaysia’s attorney general to launch an inquest because the postmortem inquiry would not include what happened to Nora before her death. Police have said a complete postmortem report will be released soon.

Nora’s parents previously said they were shocked when Malaysian prosecutors classified Nora’s death as requiring “no further action” based on the preliminary coroner’s report, essentially ruling out any inquest. They said the move could prevent justice being done.

In a statement issued by the Lucie Blackman Trust, a charity that helps British families in crisis overseas, the parents said: “It is crucial to understand how Nora came to be found where she was. As a vulnerable child, with significant physical and mental challenges, we strongly refute any conclusion that Nora was alone for the entire duration of her disappearance.

“We have repeatedly asked the police to clarify answers to our questions in this regard – and we have been repeatedly ignored.”