Police were called at 6.52pm on Monday, 10 April, to reports of a stabbing in Sterne Street, Shepherd’s Bush.
Officers and paramedics from the London Ambulance Service were on the scene within four minutes.
An 18-year-old man was found with a stab injury and taken to the hospital where his condition was assessed as non life-threatening.
An investigation is underway and enquiries are ongoing. No arrests have been made.
Any witnesses are asked to tweet @MetCC or call 101 quoting CAD 5152/10Apr. To remain anonymous contact the independent charity Crimestoppers on 0800 555 111.