Thames Valley Police officers investigating the murder of a man in Southfield Road, Oxford, have made two further arrests overnight.
A 20-year-old man from Oxford, who had previously been arrested on suspicion of attempted murder and released on bail, has now been re-arrested on suspicion of murder.
A 27-year-old man from Thame was also arrested overnight on suspicion of murder.
They both remain in police custody, along with a 19-year-old man of no fixed abode and a 25-year-old man from Oxford, who have also been arrested on suspicion of murder.
An 18-year-old man arrested on suspicion of murder has been released on conditional police bail until 4 April and a 22-year-old man arrested in connection with the incident last week remains on conditional police bail until 27 March.
The victim, a 22-year-old man, was attacked last Wednesday (27/2) and sadly died in hospital on Wednesday evening (6/3).