A bystander was captured on video tackling and disarming an armed man during an attack in Sydney on Sunday. He’s being hailed as a hero whose actions potentially saved lives. Two gunmen killed at least 11 people at a Jewish holiday event at Bondi Beach, with police later fatally shooting one of the attackers, authorities said. Footage circulating on social media, which has been verified by CBC News, shows a man in a car park wearing a white shirt running up to a man in a dark shirt who is