In a video, the bystander was seen running up to the attacker from behind and then grabbing the shotgun from him before pointing the weapon back at him.

A bystander hailed a hero after he tackled and disarmed one of the gunmen in the Bondi Beach shooting is a shop owner.

The man, named by a relative as 43-year-old Ahmed al Ahmed, was seen in a video running up to the attacker from behind and then grabbing the shotgun from his hands before pointing the weapon back at him.

The footage then showed the terrorist heading towards a bridge where another gunman was located, while the bystander placed the gun beside a tree.