An Australian woman recounts her terrifying shark attack at a Sydney beach, where she lost an arm but survived by delivering a life-saving left hook to the predator.

Sydney woman Leah Stewart recounts her harrowing tale of survival on 60 Minutes after losing her arm in a shark attack.

Leah Stewart says it was the love for her little girl and the thought of her growing up without a mother, that helped her conquer a great white.