A young man in his early 20s has been stabbed repeatedly inside the Westfield Shopping Centre in Shepherds Bush.
Met Police say they were called at 7.06pm. The victims condition is currently unknown. No arrests have yet been made.
A crime scene is still in place and “enquiries into the circumstances continue.”
A Met Police spokesman also said: “This incident is not being treated as terror-related.
“Anyone who has information that could assist police is asked to call 101 ref CAD 6386/12 Oct”
In a bid to prevent further serious violence involving weapons the Met Police have implemented a temporary Section 60 Stop & Search power in the entire Boroughs of Hammersmith & Fulham and Kensington & Chelsea until 07:00am.