Iran has issued a deathly warning to Donald Trump after he announced a "double-sided" ceasefire for two weeks - but has agreed to open the Strait of Hormuz.
Tehran's Security Council, early on Wednesday morning, said: "Our fingers are on the trigger, and as soon as the enemy makes the slightest mistake, it will be answered with full force."
Formal talks are set to be held in Islamabad, Pakistan, on April 10, to finalise the details of a peace plan - while US Secretary of War Pete Hegseth will address the media later today.
Pakistan has brokered negotiations between Iran and the US - with China also said to have played a role in the final ceasefire talks.
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Iran's new Ayatollah, Mojtaba Khamenei, agreed to the conditional ceasefire, three Iranian officials told The New York Times - despite him being unconscious.
Alongside the Americans' 15-point plan, Iran's proposed 10-point peace plan will be the basis of the negotiations.
The latter would see Iran charging vessels to pass through the strait, the end of the war against Iran and its proxies, and the withdrawal of US combat forces from all regional bases.
It contains no concessions over its nuclear programme, which the US says was its basis for starting the war.
Iran said the goals of its April 10 talks with the US would be to confirm "Iran's battlefield achievements politically within maximum of 15 days" in line with the peace plan.
People in Tehran celebrating the ceasefire by gathering and burning Israel and US flags
|REUTERS
But it added the talks may continue past the planned date if both sides agree.
Donald Trump first announced the ceasefire in a statement on social media.
On Tuesday night he said: "I agree to suspend the bombing and attack of Iran for a period of two weeks. This will be a double sided CEASEFIRE!"
The two-week ceasefire was announced two hours before his deadline for Iran to agree to talks, saying earlier that "a whole civilisation" would "die tonight".
Washington has indicated it is still discussing in-person talks with Tehran.
While Iran's Foreign Minister Abbas Araghchi said "if attacks against Iran are halted", Tehran "will cease their defensive operations".
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Donald Trump announced the two-week ceasefire after previously saying 'a whole civilisation' would die
|GETTY
He also said "safe passage through the Strait of Hormuz will be possible via coordination with Iran's armed forces and with due consideration of technical limitations".
Iranians in Tehran were seen celebrating the ceasefire gathering in the streets - and burning Israeli and American flags.
Since the agreement, which is in place "everywhere" - including Lebanon and Israel - was announced, Israel was forced to activate at least two missile alarms.
No casualties or damage have been reported, but bangs were heard in the skies over central Israel.
Other countries across the Middle East have issued warnings or sounded sirens since the ceasefire was announced.
Ayatollah Mojtaba Khamenei leads Iran and approved the ceasefire - despite reportedly being unconscious
|GETTY
Authorities in the UAE said its air defence systems were engaging with both missiles and drone threats from Iran - and urged the public to find shelter.
Kuwaiti officials said its air defence was intercepting "hostile" missiles and drone attacks.
Bahrain had its missile sirens blare, encouraging the public to head to a safe place.
And the Saudi Civil Defense issued a warning of potential danger.
Qatar has said the security threat level is high and encouraged the public to remain indoors.