Authorities said a man was shot and killed in the Turnpike Lane area near Duckett Green.
First responders arrived the scene at West Green Road, off Green Lanes, shortly before 11pm last night and he was pronounced dead at the scene, according to police.
Shortly after the first call, the Met received two more calls both about men, also in their twenties, having been shot in the area. They were both taken to hospital with non life-threatening injuries.
A number of officers are still in place.
Police said no arrest has been made
Authorities are urging anyone with information to contact police on 101 quoting reference 8093/21SEP. Anonymous tips Crimestoppers, via 0800 555 111.