The new discovery is believed to be part of a torso
A new body part has been found by police investigating the discovery of human remains in two counties.
Police were called to Gore Lane in Ware, Hertfordshire on Saturday, and have sealed-off the road.
A spokesman said part of a torso had been found, close to the A10 road, which had been there "for some time".
It was likely to be from the same man whose left leg, head and arms have been found in Leicestershire and Hertfordshire, he confirmed.
The BBC's Barnie Choudhury says the man is hard to identify
The major crime unit for Bedfordshire and Hertfordshire is on the scene, and the Leicestershire force has been notified.
The latest find comes after a member of the public found a right leg - also thought, police said, "highly likely" to be from the same man - near a lay-by, also on the A10 Puckeridge bypass, last Tuesday.
The man's head was earlier found in a Leicestershire field and a forearm and left leg from the same body were found in Hertfordshire.
MAP OF BODY PART FINDS
1: 22 March: left leg found at Cottered
2: 29 March: forearm found at Wheathampstead
3: 31 March: head found at Asfordby
4: 7 April: right leg found at Puckeridge
5: 11 April: torso found at Gore Lane, Ware
The left leg was found in a field near the A507 at Cottered on 22 March and the forearm was discovered in nearby Wheathampstead a week later.
The head was found on 31 March near a cemetery in Hoby Road Asfordby.
Tests "forensically linked" the head with the forearm and legs.
Det Ch Insp Michael Hanlon, of Hertfordshire Police, has previously given details about the victim's appearance.
He said the man is believed to have suffered from a form of fungal infection to his toenails, with his small toenails "discoloured and thickened" and curled under.
"The victim had two front teeth missing," he said.
"They are the front right tooth and the tooth to the immediate right of that.
"They are believed to have been missing for several years."
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