Iran has less than 24 hours to make a deal, before Donald Trump's threats of total obliteration could take effect. 

Trump's rhetoric is growing increasingly violent - threatening to decimate Iran's bridges and power beyond repair, after tomorrow's deadline passes. 

But Tehran's rejected a temporary ceasefire proposal, saying it wants a definitive end to the war. 

Newstalk ZB senior political correspondent Barry Soper says it's another Trump deadline that's set to pass, and it's unclear what Trump's terms are. 

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