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. 

The US-Israeli war with Iran is in its third day, and the conflict is widening.

Israeli forces have launched strikes on Hezbollah targets in Lebanon, after the militant group fired rockets towards Israel.

And a British air force base in Cyprus has been targeted by what the UK government believes was a drone strike.

People have been seen fleeing Lebanon's capital on foot and by car, after Israel launched retaliatory strikes against Hezbollah targets.

Israel has launched air strikes on the Lebanese capital.. after Hezbollah fired missiles across the border in retaliation for the killing of Iran's Supreme Leader.

UK Prime Minister Keir Starmer says his country has ​accepted a US request to use British bases for defensive strikes against Iranian missiles.

The PM again made clear that it had nothing to do with the joint US-Israel air strikes on Iran, saying the decision that the UK wouldn't be involved was deliberate, because they believe the best way forward for the world is ⁠a negotiated settlement.  

Meanwhile back home, Defence Minister Richard Marles has declined to say if the government is open to offering military support in the middle east.

The federal government says around 11,000 Australian travellers have been impacted by disruptions in the middle east.

Fighting between the US, Israel and Iran has grounded many of the world's major airlines with fears the travel chaos could continue for days.

Smartraveller's urging Australians to check their travel insurance policy for flight delays and cancellations.

Victorian women affected by allegations of unnecessary surgeries performed by a Melbourne doctor, are being asked to contact a new dedicated hotline opening this afternoon.

The phone service operated by Women's Health Victoria, will help women understand the complaints process and connect them with appropriate health services.

It follows a Four Corners investigation last week that revealed Dr Simon Gordon allegedly performed invasive surgery on a number of women for extreme endometriosis, which other gynaecologists deemed unnecessary.

Donald Trump says the US and Israel will continue to strike Iran until all objectives are achieved.

In a video message, the US president also confirmed the first US deaths, warning there'll likely be more, and promised to avenge the losses.

He's urging Iran's Revolutionary Guards, military and police to lay down their weapons and receive full immunity or face, quote, "certain death."

Meanwhile Israeli officials say at least five people have been injured by missile strikes in Jerusalem.

The Defence Minister has declined to say if Australia would be open to providing military support in the Middle East conflict.

Australia has expressed support for the US/Israeli attacks on Iran but says it wasn't involved in the strikes, and Richard Marles wouldn't be drawn on whether Australia would assist if asked.

Meanwhile UK Prime Minister Keir Stamer says he's accepted the US's request to use British bases for defensive strikes against Iranian missiles in storage depots or launchers.

Singer Delta Goodrem has been confirmed as Australia's representative at this year's Eurovision song contest.

The singer-songwriter will perform her new song 'Eclipse' in Vienna in May, at the 70th version of the global event.

Goodrem says she was asked late last year if she'd like to become Australia's 11th artist to compete against the best in Europe.

Donald Trump says America will avenge the deaths of US service members killed in the conflict with Iran.

The US President has issued a video on his Truth Social site, saying their combat mission will continue for as long as it takes to achieve all objectives.

He earlier told US media that Iranian authorities want to talk and that he's willing to do so, but hasn't offered a timeline.

Meanwhile, Iran's foreign minister says they'll replace the country's Supreme Leader soon, after Ayatollah Ali Khamenei was killed in the opening wave of joint US-Israeli strikes.

Economists warn prices at the petrol bowser will soar, as a result of middle east conflict.

The world's most vital oil export route, the Strait of Hormuz, which sees a fifth of worldwide traded oil flow through it, has been shut.

Iran's Islamic Revolutionary Guards Corps has told state media three oil tankers from the US and UK have been "struck by missiles and are burning"

Washington and London are yet to comment on the reports.

Australia's women's soccer coach says he doesn't want the Asian Cup tournament to be caught up in the politics of the Middle East.

The Matildas opened the tournament with a 1-nil win against the Philippines in Perth, and play Iran on Thursday on the Gold Coast.

With the deadly situation unfolding in the middle east, coach Joe Montemurro is hoping the football community can come together.

Iran says the killing of its Supreme Leader has made the conflict even more dangerous, as it continues with retaliatory strikes against Israel.

Ayatollah Ali Khamenei was killed in the opening wave of joint US-Israeli strikes but Iranian authorities insist a new leader could be chosen in the coming days.

Washington says three US service members have been killed, while US President Donald Trump has suggested the conflict with ​Iran could go on for weeks.

Foreign Minister Penny Wong says it's up to Israel and the United States to explain the legality of their strikes against Iran.

Australia's expressed support for actions that would stop Iran obtaining a nuclear weapon, but wouldn't be drawn on the legal basis of the US-Israeli attacks.

Meanwhile the foreign minister says the government needs to find out if commercial flights will resume before considering repatriations of Australians from the middle east.

The European Union's 27 nations are calling for 'maximum restraint' and full respect for international law in the Iran conflict.

They've issued a joint statement after an emergency video ⁠conference of EU foreign ministers.

The bloc says Iran's attacks and violation of sovereignty of a number of countries in the region  are inexcusable, and that they'll take steps to defend the interests of allies, potentially through defensive action.

The federal government estimates about 115,000 Australians are currently in the middle east amid the ongoing conflict.

Iran, Iraq, Israel, Syria, Kuwait and the United Arab Emirates have all imposed at least partial airspace closures, and Australians are being urged to avoid the region.

Foreign Minister Penny Wong says the government needs to find out if commercial flights will resume before considering repatriations.

US President Donald Trump says 48 Iranian leaders have been killed in air strikes as the conflict enters its third day.

The US has confirmed three service members have been killed after Iran launched retaliatory strikes across the region following the death of Supreme Leader Ayatollah Ali Khamenei

At least 10 people have been killed in strikes in Israel while Iranian officials say more than 150 people were killed in a strike on a girls school in the south of the country.

Iranian Australians are calling for international support for a regime change in Iran

The US-Israel led strikes, which international lawyers say were illegal, follow months of brutal government crackdown on protesters by Iran.

Rana Dadpour from AUS-IRAN says international law is not the main concern for many Iranians, and that toplling the regime is the only way to stop what she calls a "massacre" of Iranian civilians.

Prime Minister Anthony Albanese says a change of regime is a matter for the Iranian people.

Donald Trump says the joint US-Israeli attacks on Iran have led to the destruction of Iranian naval ships and have left dozens of the country's leaders dead.

The US President has told US media outlets that nine Iranian Naval ships and 48 members of the country's leadership, including Supreme Leader Ayatollah Khamenei have been killed since the US and Israel launched its strikes on Iran.

He says Iran has made contact with him and wants to talk, which he says he's agreed to.

Three US service members have been killed and five seriously wounded in retaliatory strikes from Iran.

There are fears the unfolding conflict in the Middle East could spread further, after missiles were fired towards the Mediterranean Sea.

The UK's defence minister says Iranian missiles and drone strikes came within a few hundred metres of 300 British military personnel in Bahrain, and that two missiles were fired in the direction of Cyprus, where the UK has military bases.

The minister says he doesn't believe the missiles were targeted at the island but that it demonstrates the rising threat to the region.

Top diplomats from the 27 European Union nations have been holding emergency talks to discuss how the ongoing strikes in the Middle East also pose a risk to the EU.

Australian travellers are stranded overseas as the escalating conflict in the Middle East forces widespread airspace closures.

All services between Australia and Doha remain cancelled today. The Australian Travel Industry Association says travel agents have been inundated with inquiries and is urging Australians to be patient.

The Federal Government's advising travellers to check the Smartraveller website for the latest warnings and updates.