A timeline of US-Iran talksprinted at 05:31 BST
Here’s an summary of negotiations between the US and Iran to date:
28 February: Conflict breaks out after the US and Israel launch strikes on Iran, as diplomatic talks collapse
6 March: Donald Trump says there can be no deal “except unconditional surrender” of Iran.
21 March: Trump units a deadline, threatening to goal Iran’s vitality infrastructure until it agrees to open the Strait of Hormuz.
23 March: Trump postpones his deadline, citing “productive conversations” – that is adopted by a collection of additional postponements.
7 April: Trump warns “a whole civilisation will die” if the strait isn’t opened earlier than one other deadline.
8 April: Pakistan, appearing as mediator, declares a two-week ceasefire between the US and Iran for additional talks.
11 April: Senior US and Iranian officers, together with Vice-President JD Vance and Iranian Foreign Minister Abbas Araghchi, meet in Pakistan. After 21 hours of backwards and forwards, Washington and Tehran stay far aside on key sticking factors.
12 April: Trump declares a blockade of Iranian ports.
17 April: Iran’s Araghchi says the strait will stay open for the remainder of the ceasefire. Trump says the US blockade will proceed.
18 April: Iran’s Islamic Revolutionary Guard Corps says it’ll block the strait once more. Trump says “very good conversations” are occurring but the US won’t be “blackmailed” over the waterway.