John Lyons

US President Donald Trump has called off today's planned strikes on Iran.

Donald Trump says the US will hit Iran hard again today after the two countries traded missile strikes across the Middle East over the last 24 hours. 

The US President is vowing to retaliate for the downing of a military helicopter, which he has blamed on Iran.

The US president is in deepening trouble and he does not seem to know how to get himself out of it. 

US President Donald Trump says Iran and Israel are seeking an immediate ceasefire in the war in the Middle East.

US President Donald Trump's pick to become America's next Ambassador to Australia has outlined his top priorities if confirmed by the US Senate.

The Pentagon is playing down the spate of attacks between the United States and Iran in the Strait of Hormuz over the last 24 hours. 

An uneasy ceasefire between the US and Iran looks shakier than ever this morning.

King Charles has addressed a joint session of the US Congress, marking the second time in history a British monarch has done so.

A man has been charged with attempting to assassinate the US president, following a security incident at an annual gala in Washington over the weekend.

A serious security breach at the White House Correspondent's Dinner has again raised questions of the security protocols around President Donald Trump and his senior staff.

The ABC's Americas editor was inside the ballroom when a shooting suspect was stopped by the Secret Service.

The United States is preparing for another round of talks about a possible end to the war in Iran. 

Donald Trump has survived what may have brought down many presidents before him. But the "end of civilisation" threat, as it's become known, has exposed a vulnerability he has not faced before.

There is still confusion over the details of the ceasefire between the US and Iran. Iran is now saying the ceasefire has been breached by Israel's attacks on Hezbollah in Lebanon.

President Donald Trump has threatened that "a whole civilization will die tonight" - just hours away from his deadline for Iran to reopen the Strait of Hormuz. 

US President Donald Trump has again escalated his threats against Iran if it doesn't reopen the Strait of Hormuz.

At the same time, he claims to be in "good faith" negotiations with Iran to end the war.

This is the point when the US either goes deeper into this war or makes a clear decision to end it.

The US president's latest order shows he remains committed to his aggressive tariff regime despite February's Supreme Court ruling that invalidated his centrepiece "Liberation Day" tariffs.

The ABC's Americas editor John Lyons describes Trump's address to the nation as "strange'.

"Two weeks, maybe three" - that's the latest timeline Donald Trump has given for the end of US operations in Iran.

Donald Trump's has lashed out over a lack of support for the US war effort against Iran and suggested the U-S will leave others to secure the Strait of Hormuz. 

US President Donald Trump has been giving very mixed messages about what may happen with the US military in Iran. 

In the wake of Donald Trump's backtrack, Iran realises more clearly than ever that it wields a potent new weapon on the global stage.

The conflict in the Middle East is heading towards 'Cuban Missile Crisis' juncture for President with huge implications for his Presidency and the entire world. America's Editor John Lyons provides analysis.