A 22-year-old man has been arrested in connection with a body found at farmland in Everton.
Notts Police launched a murder inquiry after the man's body was discovered in Middle Cross Lane, between Harwell Sluice Lane and Everton Lane, on Saturday.
The man, from South Yorkshire, joins a woman and three men, who were arrested on Monday, in police custody.
Anyone with any information should contact the incident room on 101, extension 817 1520, or Crimestoppers anonymously on 0800 555 111.
