A fifth person has been arrested in connection with the death of a man who had his ears sliced off.
Sajed Choudry, 43, also suffered a fractured skull in the street attack on 27 November in Blackburn, Lancashire. He died in hospital on 13 December.
A 44-year-old man, from Blackburn, has been detained on suspicion of murder and attempted murder. He remains in custody.
Three men and a 13-year-old boy have been previously charged with murder.
A 24-year-old man who was also injured during the disturbance in Rhyl Avenue is still recovering.