Police were called to a mosque in Park Road, NW8, at 15.10hrs on Thursday, 20 February, to reports of a stabbing.
Officers attended along with paramedics from the London Ambulance Service (LAS). A man was found with stab injuries.
He was treated by paramedics before being taken to hospital. We await an update on his condition.
A man was arrested at the scene on suspicion of attempted murder.
A crime scene has been put in place. Enquiries continue.
Enquiries into the circumstances continue.
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