Police were called to a disturbance inside a shop on King Street, Hammersmith (W6) on Thursday, 13 February, shortly after 3:00 PM.
Shortly after, officers received further reports that a man had been seen in possession of a knife in the area.
Upon arrival, officers found a 14-year-old boy suffering from a head injury. He was treated at the scene by paramedics from the London Ambulance Service.
Ongoing Investigation
Police remain in the area as they investigate the circumstances surrounding the incident.
As of now, no arrests have been made, and enquiries are ongoing.
Anyone with information is urged to contact police via 101, quoting reference 13/02 King Street, or to report anonymously via Crimestoppers on 0800 555 111.