Sonny Grey murder officers arrest four men
Four people have been arrested over the murder of a Lincoln man who had boiling water poured on him.
Sonny Grey, 70, died in hospital after an assault at his home in Westwick Gardens on 29 October.
In the past three days police said they had arrested a 29-year-old man and two 18-year-old men in Cambridgeshire and a 29-year-old man in Lincolnshire.
All have been questioned and bailed pending further inquiries. Officers have renewed an appeal for information.
Previous appeals have focused on distinctive gold jewellery missing from Mr Grey's house and CCTV which showed some men entering the street on the night of the murder.