Officers from the Metropolitan Police were called to Bridgewater Road at 4.55pm today (April 22) with reports of a fight.
An 18-year-old man self-presented at a hospital suffering from stab wounds thought to be linked to the reported incident.
His injuries have been confirmed as non-life changing.
Bridgewater Road has been closed in both directions as a result, with a crime scene erected between Manor Farm Road and Whitton Avenue East to allow for initial enquiries to take place.
There have been no arrests at this stage.
A Met spokesperson said: “Police responded to reports of an altercation in Bridgewater Road, Wembley at 16:55hrs on Tuesday, 22 April.
“An 18-year-old man self-presented at hospital with stab wounds. His injuries have since been confirmed to be non-life-changing.
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“Officers are appealing for witnesses to share relevant information via 101, quoting 5497/22APR.
“Information can also be shared anonymously via Crime Stoppers on 0800 555 111.
“No arrests have been made at this stage. A crime scene remains in place while initial inquires take place.”
