Iran's chief of security has taken to social media to announce that Tehran will not negotiate with the United States, as the conflict widens with Israel exchanging fire with Hezbollah in Lebanon.
It follows reports Iran was trying to revive negotiations, and its foreign minister's assertions that his country is always open to diplomacy.
Meanwhile, Israel says its launched a new wave of retaliatory strikes on Lebanon targeting the militant group Hezbollah, which has asserted that its offensive against Israel is a legitimate action of self defence. The federal opposition says it hopes the killing of Iran's supreme leader will usher in a new era of freedom and democracy for the people of Iran.
Ayatollah Ali Khamenei and senior regime officials were killed in US and Israeli air strikes yesterday.
Both the government and opposition have backed the US-Israeli action, arguing it will prevent Iran from obtaining nuclear weapons and from threatening global security.
One Nation leader Pauline Hanson has been censured for her comments on Sky News last month, where she suggested there were no "good" Muslims.
The federal government's motion succeeded in the Upper House -- 36 votes to 17, with two coalition senators crossing the floor in support.
Earlier, Senator Hanson described the motion as a stunt, before storming out of the senate.