Iran is being accused of 'hostage diplomacy' by resorting to incarcerating foreign nationals at a time when sanctions are crippling its economy.
Australia has committed to joining the US and the UK in a mission to protect oil ships in the Strait of Hormuz. But why is the Strait the source of so much tension between the US and Iran?
Scott Morrison has announced a long-expected commitment to join the US-led coalition in the Strait of Hormuz, expressing concerns over incidents in the Strait: "It is a threat to our economy”.
Iran has long recognised the benefits of using cryptocurrencies to counter US sanctions.
Donald Trump stepped back from launching US airstrikes inside Iran, but the conflict is unabated and there appears to be no way out of confrontation for now.
The US has imposed new sanctions against Iran's top leaders, but its foreign policy has no clear focus.
A showdown with Iran over some oil tanker attacks in the Persian Gulf could push the US into its next Mideast war, writes a scholar of military aggression.
After years of work, the JCPOA nuclear deal could be on its last legs.
A tense standoff in the world’s most volatile region is not only dangerous, it could have been avoided by the US adhering to an agreement that was far from perfect, but better than the alternative.
Both Iran and the US say they are not seeking a war, but it could happen by default.