A teenager was rushed to hospital after being stabbed.
The Metropolitan Police force were called by paramedics over the stabbing in High Street, Wealdstone, just after 9pm on January 29.
An 18-year-old man was found with stab injuries.
He was taken to hospital where his condition has been assessed as not life-threatening.
No arrests have been made and a crime scene is in place as enquiries continue.
Anyone with information that could help police should call 101 ref CAD 7196/29 Jan.
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