Forensic experts are still trying to identify human remains which were discovered at a Doncaster beauty spot at the weekend.
The adult body parts were found on a railway embankment near to the Hexthorpe Junction in Balby on Sunday at 12.45pm.
Officers from British Transport Police (BTP) have cordoned off the area and are still at the scene trying to identify the remains and establish a cause of death.
A force spokeswoman said: “A team are working on site to try and make an identification.
“We are still in the very early stages of the investigation and they could be on site for the next two or three days.”
She had previously said it is too early to say whether BTP believes there are suspicious circumstances.
We are still in the very early stages of the investigation and they could be on site for the next two or three days.British Transport Police spokeswoman
But she added investigating officers are “keeping an open mind” and specialists are also looking into the possibility that the remains could be historic.
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Residents who live close to the scene told on Monday how they were shocked such a discovery had been made.
Civil servant Mark Laidler, aged 53, of Guest Lane, Warmsworth, said the site is popular with dog walkers and added: “It is quite shocking to find out something like this has happened so close to home.
“I was out walking my dog and saw about five or six police cars there and about 10 officers.
“It looked like quite a big police operation and I could see a white tent and officers in forensic gear.
“I spoke to a few people out walking nearby and everyone was wondering what was going on.”