India, Dec. 16 -- One of the two men behind the mass shooting at Sydney's Bondi Beach during a Jewish Hanukkah celebration on Sunday was originally from Hyderabad and continues to hold an Indian passport, Australian and Indian authorities have confirmed, media reports said.

The attack, which killed 15 people, has been described by Australian investigators as a terrorist act inspired by the so-called Islamic State group.

His son, Naveed Akram, 24, who allegedly acted alongside him, survived and is currently undergoing treatment in a hospital under police guard.

He had completed a Bachelor of Commerce degree in Hyderabad before leaving India in search of employment.

Akram lived in Australia for nearly 27 years and had limited contact wi...