Unrwa said the attack marked "the highest death toll among our staff in a single incident" since the start of the war between Israel and Hamas in October.

A UK-based monitoring group earlier reported that at least four soldiers and three civilians were killed in strikes that destroyed military and scientific facilities where Iran-backed armed groups were pres

The Palestinian official told the BBC

Foreign ministry spokesperson Randhir Jaiswal said it was "premature" to make public statements about the matter at this stage and that relevant authorities were investigating it.

Prime Minister Anthony Albanese condemned the violence, saying Australians had a right to protest - but had to do so in a peaceful manner.

Local media reported military artillery, trucks and semi-automatic weapons have been on display during the convention. Activists had said they were protesting as they claim many of the weapons on-show have been used by Israeli forces in Gaza.

Israel launched multiple air strikes on Iran in the early hours of Saturday, in response to what the Israeli military called "months of continuous attacks" from Tehran and its proxies.