The 22-year-old man was arrested on suspicion of attempted murder on Friday, 3 September. He was taken into custody and has since been bailed pending further enquiries to a date in early October. This is the sixth arrest in this investigation.
The other arrests are as follows:
On Tuesday, 17 August, a 22-year-old man was arrested on suspicion of possession of a firearm with intent.
On Wednesday, 16 August, two teenagers were arrested.
A 16-year-old boy, on suspicion of possession of an offensive weapon, robbery and possession of a firearm with intent and a 17-year-old boy, on suspicion of possession with intent to supply and possession of a firearm with intent.
A 22-year-old man was arrested on Thursday, 19 August on suspicion of possession of a firearm with intent.
The 21-year-old man was arrested on Friday, 20 August.
All five have been bailed until mid-September while the investigation continues.
Officers are investigating after gunshots were discharged into a crowd in Camden shortly before 22:10hrs on Saturday, 14 August.
A large crowd was attending a BBQ in a communal open space in Clarence Gardens, NW1, when up to five unknown males arrived and indiscriminately discharged a firearm injuring four people.
Police, including firearms officers, attended along with paramedics from the London Ambulance Service.
Four people were taken to a local hospital. They are a 17-year-old girl, two women aged 19 and 73, and a 28-year-old man.
The 73-year-old woman continues to recover in hospital; the other three have been discharged.
Anyone with footage of the incident and or any information, should call police on 101 or tweet @MetCC quoting reference CAD7619/14AUG.
Information can also be provided to the independent charity Crimestoppers, anonymously, by calling 0800 555 111.