NorthGeorge North knocked out after scoring against Wasps on Friday . Concussion was the wing 's third suffered in recent months . George North will sit out Saturday 's Champions Cup clash on medical advice . Wasps No 8 Nathan Hughes been banned for three weeks for the incident .
George North knocked out after scoring against Wasps on Friday . Concussion was the wing 's third suffered in recent months . North will sit out Saturday 's Champions Cup clash on medical advice . Wasps No 8 Nathan Hughes been banned for three weeks for the incident .