A 16-year-old boy is fighting for his life in hospital after suffering multiple stab wounds last night in Wembley.
Met Police say shortly after 11:30pm they were called to Preston Road, HA9, to a report of a stabbing.
So far no arrests have been made.
A crime scene remains in place on Preston Road between the junctions of Logan Road and The Avenue.
Witnesses or those with information are being urged to contact police on 101 quoting: CAD 8167/18FEB.
At 23:58 last night Brent MPS tweeted: “Police are dealing with an active incident on Preston Road in Wembley. The road is currently closed, please avoid the area.
“Thank you for your patience whilst we work alongside colleagues from the @Ldn_Ambulance CAD 8167/18FEB21 refers. Updates to follow.”