Fourth arrest over Mahad Mohammed killing in Battersea
A fourth person has been arrested in connection with the murder of a man in south-west London.
Mahad Mohammed, 20, was stabbed in a fight on the Winstanley Estate near Clapham Junction station in Battersea in the early hours of 22 June.
On Monday, a 20-year-was arrested on suspicion of murder.
A 17-year-old and two 18-year-old have previously been detained in connection with Mr Mohammed's killing. They have been released on bail.
The victim lived on the estate where he died. A post-mortem examination showed he suffered fatal stab wounds.
Det Ch Insp Dave Manning from the Metropolitan Police said it was thought Mr Mohammed might have been involved in a row with a number of youths the evening before he was stabbed.
He said police would like to hear from anyone who witnessed the row or who saw the group of youths in the local area.