Ahmed, a fruit seller and father of two children, emigrated to Australia from Syria in 2007.

Eleven people were killed in the shooting at Australia's Bondi Beach, as crowds attended an event to celebrate Hanukkah.

"There are many, many people alive tonight as a result of his bravery," Chris Minns, the premier of New South Wales state, said.

Father-of-two, who moved to Sydney from Syria in 2006, has been hailed as a hero