5 trends tracked about this subject — the full history, oldest to newest below.
Iran indicates the 'ball is in the U.S. court' regarding a deal to end war, offering a conditional reopening of the Strait of Hormuz.
Iran gears up for a potential major round of fighting with the US while signaling readiness for both diplomacy and retaliation.
British Foreign Secretary tells Iran's minister that the UK will not tolerate hostile activity or intimidation on British soil.
France considers reducing its embassy staff in Tehran following the detention and alleged physical abuse of two French diplomats by Iranian officers.
Tensions escalate between the U.S. and Iran as Donald Trump and the Iranian supreme leader exchange threats amid the burial of a long-serving leader.