Met police said the victim – whom she believed to be in her twenties – was found with gunshot wounds.
Paramedics attempted to save him at the scene, but the man was pronounced dead just before 2 a.m.
The incident took place at Turnpike Lane in north London in the early hours of this morning.
Officers were called at 1:21 am today to report that one person had been shot and a number of shots fired on Willoughby Road.
The road has now been closed as a large crime scene has now been established.
Met Police have confirmed that a murder investigation is underway.
A statement read: “Police were called at approximately 1:10 am on Friday May 28 to report a gun dump in the vicinity of Turnpike Lane and Willoughby Road, N8.
“Officers, London Ambulance Service and London’s Air Ambulance all attended the scene.
“A man, believed to be 20, was found shot and wounded. Despite the best efforts of the emergency services, he was pronounced dead at the scene at 1:55 a.m.
“The closest relatives have been informed. ”
The force continued, “A crime scene remains in place at the scene.
The newsletter is sent early every morning, at noon and every evening.
Never miss a moment by signing up for our newsletter here.
“There have been no arrests and investigations into the circumstances are ongoing.
“At this early stage, anyone with information that can assist with the investigation is urged to contact police on 101 or tweet @MetCC, quoting CAD356 / 28May.
“You can also provide information anonymously through the independent charity Crimestoppers on 0800 555 111.”