Two men fled the scene after a shot was fired at a barber shop in Wood Green last night.
Police were called to Kenny's Unisex Hair Salon in Lordship Lane at around 7.15pm, but the suspects, who were described as wearing balaclavas, had already fled.
According to witnesses, they ran in the direction of Bruce Grove.
A single shot is believed to have been fired from a handgun and the bullet was found to have damaged the door of the premises.
Three people were in the barber's at the time of the shooting but none were injured.
There have been no arrests at present and enquiries continue.
Detectives from Trident Gang Crime Command are investigating.
Any witnesses or anyone with any information should call police via 101 or call Crimestoppers anonymously on 0800 555 111.