A fourth arrest has been made by police investigating the death of Kirkby-in-Ashfield man Colin Hall.
A 33-year-old local man was arrested in Kirkby-in-Ashfield at around 3pm yesterday.
He is currently being questioned at a local police station.
Police have until 9.15pm tonight to further question a 39-year-old man arrested on Friday, also in Kirkby-in-Ashfield.
Two other men, arrested in Hucknall in connection with the inquiry last Tuesday, were released without charge the next day.
Mr Hall died following an attack at his home in Cornerpin Drive, Kirkby-in-Ashfield, on the evening of Sunday 10 February.
Yesterday, police searched former colliery land off Park Lane, Kirkby-in-Ashfield as part of the inquiry.