Police arrested a man after he allegedly beat another man with brass knuckles. Officials say Mark Medley was fighting another man at a house on Southwind Street in London.The victim came out of the house when police arrived with injuries to his face and head. He told police that he and Medley were fighting when Medley hit him in the face with a pair of brass knuckles. A witness told police she saw the brass knuckles slide across the floor during the fight, then hid them in a kitchen drawer. The victim was treated at a nearby hospital. Medley was charged with first-degree assault and lodged in the Laurel County Detention Center.