Australian PM speaks after meeting Donald Trump before G20 summit in Japan

Scott Morrison says Australia has not yet been asked to take part in any military action in Iran but says any request from the Trump administration will be considered “seriously and on its merits”.

The US secretary of state, Mike Pompeo, has asked Australia to toughen its stance on Tehran and play a key role in a new “global coalition” against the regime.

Related: UK and other powers to hold crunch talks with Iran over nuclear deal

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