Shooting at Bondi Beach: Live Updates

Authorities confirmed 15 people have been killed.

The incident took place during a Hanukkah gathering and targeted the event.

Two men, Sajid Akram, 50, and his son Naveed, 24, have been identified as the shooters.

One local told the Sydney Morning Herald: "I saw at least 10 people on the ground and blood everywhere."

Video footage from the incident quickly spread online, with one video showing Ahmed al Ahmed heroically tackling one of the shooters.

Two Islamic State (IS) flags were found in the gunmen’s car, a senior official has told Australia's ABC News.