Police believe members and associates of the Mongrel Mob were involved in the New Year's Eve assault on Northland man.
A number of search warrants were executed in the Moerewa township this morning as the investigation into the death of 35-year-old Lee Rata continued.
Mr Rata was found badly injured in Bonnetts Rd, Kaitaia, about 11pm on New Year's Eve and died around lunchtime on New Year's Day
A number of arrests have been made on unrelated matters during the search warrants executed today. These include drug dealing, assault and dishonesty offending.
Police now believe that members and associates of the Mongrel Mob were involved in the assault on Mr Rata.