Officers were called to Station Road near Kingsfield Avenue at around 1.25am on May 9 following reports of a stabbing.
A 31-year-old man was found with stab wounds and treated by London Ambulance Service crews before being taken to hospital.
His injuries were later confirmed to be neither life-threatening nor life-changing.
A 36-year-old man was arrested on suspicion of grievous bodily harm.
Police said he was initially taken to hospital as a precaution before later being taken into custody.
He has since been released on bail while enquiries continue.
Anyone with information is being urged to call 101 quoting CAD 534/9May.
A Met Police spokesperson said: “On Saturday, 9 May at 01:25hrs police were called to reports of a stabbing on Station Road, Harrow.
“Officers attended alongside the London Ambulance Service, who treated a 31-year-old man for stab wounds before taking him to hospital.
“His injuries have since been confirmed as neither life-threatening nor life-changing.
“A 36-year-old man was arrested on suspicious of grievous bodily harm.
“He was initially taken to hospital as a precaution, before being taken into police custody.
“He has since been released on bail pending further investigation.
“Enquiries continue and anyone with information that may assist police is asked to call 101 quoting CAD 534/9May.”
Courtesy of Harrow Times | Local News