: "There was a rival gang that may have heard about someone being in that party that they didn't feel quite comfortable with or trusted and so they resorted to driving past and shooting into the garden, and one of those shots obviously hit Sasha Johnson. But I don't believe she was the intended victim."
A horrified neighbour reported hearing gunshots ringing out as the house and a woman "hysterically crying" as the party ended in bloodshed.
While another said: "I heard two shots three seconds apart. Then a car screeched off and I heard a woman desperately shouting for help."
The Taking the Initiative Party (TTIP) claim Sasha, who helped organise last summer's BLM protests, was gunned down after receiving" numerous death threats as a result of her activism".
Police have since said they don't believe the shooting was targeted and nothing suggests she received "credible death threats".
Many people at the vigil hugged and wiped tears away as news that Sasha remains in critical care reached the crowd Credit: Reuters Police are continuing to investigating the shooting in Peckham Credit: Reuters Sasha Johnson, a mum-of-two, is in a critical condition after sustaining a gunshot wound to her head People have taken to social media to encourage people to pray for Sasha Credit: Instagram The party said in a statement: "It is with great sadness that we inform you that our own Sasha Johnson has been brutally attacked and sustained a gunshot wound to her head.
"She is currently in intensive care and in a critical condition. The attack happened in the early hours of this morning, following numerous death threats as a result of her activism.
"Sasha has always been actively fighting for black people and the injustices that surround the black community, as well as being both a member of BLM and a member of Taking the Initiative Party's Executive Leadership Committee.
"Let's all come together and pray for Sasha, pray for her recovery and show our support to her family and loved ones. #prayforsashajohnson."
Police rushed to the shooting, which was close to a house party, at around 3am yesterday.
Mum-of-two Sasha, who organised the BLM protests last year, was found suffering from gunshot wounds.
She was rushed to hospital where she remains in a critical condition.
Dozens of people crowded around the bandstand yesterday afternoon to show their support for Sasha Credit: Getty People at Ruskin Park in south London at a vigil for Sasha Credit: LNP People gather at a vigil for the shot Black Lives matter activist Credit: LNP Sasha is recovering from surgery in hospital Credit: The Sun Forensic officers seen searching at the scene of the shooting Credit: PA Detective Chief Inspector Jimi Tele said: "This was a shocking incident that has left a young woman with very serious injuries. Our thoughts are with her family who are being provided with support at this terribly difficult time.
"If you saw anything suspicious in the Consort Road area in the early hours of Sunday morning or if you have heard information since that could help detectives, it is crucial that you get in touch."
Sasha, who attended university in Oxford, had previously called for people accused of racism to be put on a sex offenders-style "race offenders register" .
The youth worker and cafe owner gained attention over summer as a prominent figure at a number of BLM protests, and has since helped to found the Taking the Initiative Party.
She serves on the party's executive committee as the member in charge of activism.
She went on to call for reparations to be made to black people in Britain via tax breaks, and also voiced support for the defunding of police departments, although TTIP has ruled out the latter.
Black Lives Matter has sought to distance itself from groups like TTIP and said it was not behind attempts in October to register a political party using the BLM name.
Anyone with information can call police on 101 quoting reference CAD1172/23MAY or ring Crimestoppers anonymously on 0800 555 111.
Mum-of-two Sasha, who organised the BLM protests last year, was found suffering from gunshot wounds early yesterday morning Credit: Instagram She remains in a critical condition in hospital Credit: Alamy
Sasha Johnson family friend, Imarn Ayton, says activist's operation 'went well' and she was caught up in a dispute between rival gangs