Detectives investigating the shooting of black equal rights activist Sasha Johnson have charged a teenage male.
Cameron Deriggs, 18, of Lewisham, will appear in court on Saturday accused of conspiracy to murder.
Police said Black Lives Matter activist Ms Johnson, 27, remains in a critical condition in hospital.
The Oxford graduate was injured at a party in Peckham, south east London in the early hours of Sunday.
Mother-of-two Ms Johnson was at a party in the back garden of a home in Consort Road when four men in dark clothing burst in and shots were fired.
A man aged in his 20s suffered a “superficial” knife injury as the violence erupted, but he was not seriously hurt.
On Wednesday, the Metropolitan Police said that officers detained three teenagers and two older men on suspicion of other offences, before they were all also arrested on suspicion of attempted murder.
The first suspect, a 17-year-old boy, was held on suspicion of possession of an offensive weapon and drug dealing on Tuesday afternoon.
Police then raided an address in Peckham where they arrested three men – aged 18, 19 and 28 – on suspicion of affray and possession with intent to supply class B drugs.
A fifth man, aged 25, was arrested later that evening following a car chase, also in Peckham, on suspicion of affray and failing to stop for police.
On Friday, the four remaining suspects were released on bail until a date in late June.
Deriggs will appear at Westminster Magistrates' Court on Saturday, May 29.
Detective Chief Inspector Richard Leonard said: “While the investigation remains in its early stages, these arrests show that progress is being made.
“However, I would continue to appeal to those who may hold information about the events that led to Sasha receiving her horrific injuries, or about those responsible, to do the right thing and come forward and speak to police.”
Anyone with information can contact police on 101 or tweet @MetCC quoting the reference CAD1172/23MAY. To remain anonymous contact Crimestoppers on 0800 555 111.