Heroic Simon Ellis told of how he saved the life of a police officer who was being attacked by a man with an axe in Gleadless Valley.
He said: “She was on the floor with her baton up, pleading with somebody to help her and stop him hurting her."
Watch our video for Simon's full interview.
WARNING - GRAPHIC IMAGE: First look inside Sheffield axe attack store
VIDEO: Police use Taser gun to restrain man armed with axe after attack on Sheffield bobbies
Police officer faces surgery after violence flared during arrest in Sheffield
VIDEO: Multiple police officers injured during arrest on Sheffield estate