Within 24 hours, US President Donald Trump's tone regarding dealing with the Iranian file changed from escalation to calm.

The IRGC is conducting military exercises amid concerns that Trump could empower Israel to strike Iran's nuclear sites while intensifying US sanctions on Iran's oil industry.

Amid mutual threats and hints of impending conflicts, Washington and Tehran suddenly revealed their final touches on a prisoner exchange and the release of frozen Iranian funds, which were being worked on discreetly.

After two years of negotiations, Tehran and Washington have reached an agreement for the release of five Iranian–Americans detained in Iran.