India, Dec. 15 -- Following the shooting at a Hanukkah event on Sydney's Bondi Beach on Sunday, Israel's National Security Council issued updated safety guidelines for Israelis travelling abroad.

The advisory strongly recommends avoiding mass gatherings that lack adequate security, including events at synagogues, Chabad houses and Hanukkah celebrations, ANI news agency reported.

It also urges heightened vigilance around Jewish and Israeli sites, advising travellers to immediately report anything unusual to local security forces, such as suspicious individuals or objects, the report added.

The advisory comes amid shock and outrage in Australia after officials said a father and son are suspected of killing 15 people on the Bondi beach. ...