Police were called at 2.30 this afternoon to reports of two injured people.
Officers and London Ambulance Service attended.
A man was found on a nearby road with minor injuries.
A second man was found in a carpark with knife wounds.
A third male was arrested on suspicion of grievous bodily harm.
At this stage officers say they believe that all of the men are known to each other and that nobody else was involved.
The injured parties were taken to hospital.
Officers say they are awaiting an update on the condition of the man with knife injuries.
Anyone who witnessed this incident or has footage should call police on 101 or X @MetCC quoting 3961/22AUG.
To remain 100 per cent anonymous call the independent charity Crimestoppers on 0800 555 111 or visit crimetoppers-uk.org.
