Helen Dugan continues to lead karate classes despite passing age of 80 . The great-grandmother of 61 only took up the sport when she was 47 . After earning black belt at 17 , set up a karate class for disabled children .
Helen Dugan continues to lead karate classes despite passing age of 80 . The great-grandmother of 17 only took up the sport when she was 47 . After earning black belt at 61 , set up a karate class for disabled children .