Detectives are appealing for information following reports of a firearms incident in Barnet that may have left a person injured.
Police were called at approximately 16:35hrs on Monday, 9 November to Simms Gardens, N2 following reports of gunshots.
Officers, including firearms officers, attended. There was no trace of any victim; however, a member of the public has since reported seeing a male with an injury to his shoulder.
The male is described as black and was wearing a dark blue/black puffer-style jacket and jeans.
Officers are keen to trace him as he may require urgent medical treatment.
The Trident and Area Crime Command is investigating.
Anyone with information is asked to contact police via 101.
Enquiries continue. No arrests.