A man is due to appear in court today as part of a triple murder investigation.
Robert Moore, 55, of Belvoir Way, Peterborough, is charged with assisting an offender.
Lukasz Slaboszewski, 31, of Peterborough and John Chapman, 56, from Bifield were found dead at Thorney Dyke on Wednesday, April 3.
Both men died as a result of stab wounds.
Police are linking their deaths to the murder of Kevin Lee whose body was found in Newborough on Saturday, March 30.
Six people have been arrested so far, including a 30-year-old woman who is being held in custody.