Another man has been arrested on suspicion of murder over the death of Adam Fanelli at a traveller site.
A 33-year-old man was arrested in Rotherham on Tuesday and he is currently in custody.
So far, two men have been charged with murder.
Jemma Price, 30, from Bedfordshire, has been charged with one count of murder and appeared at Milton Keynes Magistrates today.
He was remanded to appear at Luton Crown Court on Tuesday April 7.
And Addy McAllister, 33, from Bolsover in Derbyshire, was charged with one count of murder last week.
He appeared at Milton Keynes Magistrates’ Court where he was remanded to appear at Luton Crown Court on June 26.
Also this week, a 30-year-old man from Gloucestershire was arrested on suspicion of murder and is in police custody and a 25-year-old woman was arrested in Gloucestershire on suspicion of assisting an offender.
A 30-year-old man from Bolsover in Derbyshire, who was arrested on suspicion of murder on Tuesday last week, has been bailed until May 21.
The arrests are in relation to the death of dad and scrap metal worker Mr Fanelli, aged 31.
His body was found at Nash Park in Winslow Road on March 17 and tests showed he died from head injuries.