Leapt at his attacker from behind (somehow)! He began throttling his foe, as the villain bucked here and there trying to dislodge his would-be adversary. Finally he succeeded, and hit Billy square across the face. Billy stumbled, and then returned fire with two more hits in the face and abdomen. His attacker wheeled, stumbling onto a nearby fire escape. HE turned and retreated upwards, Billy giving chase.
They resumed fighting as they found themselves at the top of the winding stairs, leading to a vast rooftop. Billy aimed a flying kick at his opponent. He missed, and the foe grabbed his leg and spun heaved him to the ground. Before Billy had the chance to recover, The fop began dragging Billy towards the roof's edge...