Two teenage boys turned themselves in to Belleville police Sunday regarding a fight that occurred last Thursday on Sidney Street.
Police report one of the boys had been hit in the face while the other brandished a knife during the skirmish.
Sunday, a 15 year old and a 14 year old, along with parents, turned themselves in to police.
One was charged with assault, while the other was charged with possession of a dangerous weapon.
They will appear in Youth Court next month.