Two gunmen shot dead at least 11 people on Sunday at a Jewish event being held at Sydney’s Bondi Beach, Australian authorities said, declaring it a terrorist attack.

One gunman was fatally shot by police and the second arrested.

At least 29 people were confirmed wounded, said Mal Lanyon, the police commissioner for New South Wales state, where Sydney is located.

Two of those hurt were police officers. Police also confirmed that one of those injured was a child.

The Prime Minister of Australia, Anthony Albanese described the attack as "an act of evil anti Semitism, terrorism."

Hundreds had gathered for an event at Bondi Beach called Chanukah by the Sea, which was celebrating the start of the Hanukkah Jewish festival.

Police said their operation was “ongoing.”