Sajid and Naveed Akram returned to Sydney from Davao just around two weeks before the deadly mass shooting at Bondi Beach on December 14.

Father-son gunmen Sajid and Naveed Akram travelled to the Philippines to receive "military-style training" in the month before they killed 15 people at a Hanukkah celebration at Bondi Beach, security sources have confirmed.

The duo had listed Davao, a large city in the southern part of the Philippines on the island of Mindanao, as their destination. Their return flight was booked for Sydney.

The shooting occurred on Sunday evening at Bondi Beach while a Hanukkah gathering was underway. Australian authorities said Sajid Akram, 50, and Naveed Akram, 24, opened fire using rifles, killing at least 15 people and injuring 42 others.

Spending by Bondi shooters Sajid Akram and Naveed Akram in a Philippines terror hotspot should have been flagged by Australia’ financial monitoring system, industry sources say, with experts questioning how the men avoided raising the suspicion of intelligence agencies despite weeks on the ground.

Fifteen people were killed and another 42 were injured when Sajid Akram and his son Naveed Akram, 24, opened fire with rifles on a Hanukkah event at Bondi Beach

Bondi Beach terrorism suspect Naveed Akram has been charged following the devastating attack in which he and his father allegedly murdered 15 people.

One of the alleged terrorists in Bondi’s terror attack was originally from India and had travelled back to his native country six times since migrating to Australia.

Indian police said on Tuesday that one of the two gunmen behind Australia's Bondi Beach mass shootings, Sajid Akram, was an Indian citizen who had left the country 27 years ago.

BONDI Beach gunman Naveed Akram had pledged allegiance to Islamic State, authorities believe. Akram, 24, was investigated by Australian spy agency the ASIO in 2019. Naveed’s father, Sajid