Carnage broke out in London overnight with at least two shootings - one reportedly involving a sub-machine gun and multiple illegal raves were held.
Two people were reportedly shot in Hackney while another two men were shot in Brixton with reports of a sub-machine gun being used.
The first shooting reportedly took place on the Angell Town estate in Brixton at about 7pm.
Police on scene after reports of a sub-machine gun shooting in Brixton last night. London's streets saw another night of violence as reports of at least two shootings have emerged
Witnesses say 17 shots were fired at the two men in Brixton at about 7pm on Friday evening
Armed Police, Paramedic and Response officers rushed to the scene after reports that 17 shots were fired.
The men were treated at the scene by paramedics before being taken to hospital for further treatment.
The surrounding area was locked down by cops as they searched for the shooter.
Reports suggest a man was later arrested, but the sub-machine gun continues has not been found.
Two other people were shot at a silent party - an unlicensed music event - that was being held in Mandeville street in Hackney in East London.
Three men were reportedly detained by officers at Homerton hospital after they transported the victims in a blue BMW to get live saving treatment after being shot in the early hours of Saturday morning.
The detained men had all been at the gathering that was held in Willington court in E5.
Armed officers were scrambled to both Homerton Hospital and Mandeville Street and the hospital was put on lockdown.
Witnesses reported seeing specialist blood and explosives detection dogs being used to search the area.
Reports suggest a bullet casing and a machete were found on a bridge near the scene of the shootings.
Police on the scene of a second shooting in Mendeville Street in Hackney early this morning
Armed officers rushed to Homerton Hospital after a shooting victim was dropped off in a BMW
Officers on scene of a shooting in Hackney which took place in the early hours of Saturday
It is not known if the shootings are connected.sonos sonos One (Gen 2) - Voice Controlled Smart Speaker with Amazon Alexa Built-in - Black read more
Elsewhere, police officers were out in force and road closures were in place as more