Detectives investigating the fatal shooting of 27-year-old Billy McCullagh have arrested a man on suspicion of murder.
The 32-year-old man was arrested at an address in Islington this morning (Friday, 21 August).
A murder investigation was launched on 16 July after Billy was found with a fatal gunshot injury in Windrush Road, NW10, shortly after 3am.
A 19-year-old man and a 24-year-old were arrested on suspicion of murder on Thursday, 16 July. They have been bailed to return to a date in October.
A post-mortem examination was held on Friday, 17 July and the cause of death was a gunshot wound to the chest.