A man in his 20s was blasted at point-blank range in Islington, north London this afternoon.
The victim was shot at 3.20pm and died at the scene.
According to Scotland Yard: 'Officers attended with LAS and found a man, believed to be aged in his early 20s, suffering from gunshot injuries.
A man in his 20s was shot and killed on Roman Way, Islington at 3.20pm today
Police and paramedics battled to save the man's life who was declared dead at the scene
'Despite their best efforts, he was pronounced dead at the scene.
'Next of kin have been informed.'
The investigation is being led by detectives from Specialist Crime (Homicide).
A full forensic examination is taking place at the scene searching for evidence while officers are canvassing the area looking for witnesses.
Nobody has been arrested yet in connection with the investigation.
Police are especially keen to talk to anyone who may have been driving along Roman Way around 3.20pm and have dash cam footage.
Scotland Yard said: 'The public have a huge role in helping to both prevent and detect crime. We need to hear from anyone who has information about this crime, or about someone they suspect to be carrying a weapon or involved in organised crime.
'If you don’t want to speak to the police, contact Crimestoppers on 0800 555 111. They are a totally independent charity and you remain 100 per cent anonymous, they never ask your name and they cannot trace your call, your IP address or device you use.'