Police were called to High Road, near the Starbucks in North Finchley, yesterday (April 11) at around 4.10pm to reports of a fight.
The two boys were arrested on suspicion of possessing an offensive weapon near to the scene.
It is understood that this weapon was a knife, reports our sister-site London Now.
One of the boys was taken to hospital by officers for injuries to his hand, where his condition has been confirmed to be non-life changing.
Anyone with information is asked to contact the Metropolitan Police by calling 101, quoting reference 4736/11April.
Alternatively, contact Crimestoppers anonymously on 0800 555 111.
