The United States and Iran have released the text of an interim agreement signed by their presidents aimed at ending months of conflict, with US President Donald Trump warning that military action could resume if Tehran fails to comply with the deal.
Speaking at the G7 summit in France on Wednesday, Trump said Washington would not hesitate to launch fresh attacks should Iran violate the agreement.
"We're going to bomb the hell out of them if they violate the agreement," Trump told reporters. "I don't want them to. I want them to honour the agreement."
He later added: "If I don't like it, if they don't behave, we'll go right back to dropping bombs right smack in the middle of their head."
Despite the warning, Trump struck a more conciliatory tone when discussing the future of relations with Tehran, describing Iranians as "smart people" and expressing hope that negotiations over the next 60 days would lead to a permanent peace agreement and help stabilise oil prices.
In a notable shift from his earlier rhetoric, Trump also appeared to soften his stance on Iran's ballistic missile programme.
"I'm saying that if other countries have them, it's a little bit unfair for them not to have some," he said, retreating from previous vows to destroy Iran's missile capabilities.
Iranian leaders did not publicly respond to Trump's latest remarks, instead celebrating the signing of what is believed to be the first agreement endorsed by both a US and Iranian president since the Islamic Republic was established in 1979.
Iran's lead negotiator, Mohammad Baqer Qalibaf, hailed the agreement as a diplomatic triumph.
"Everything we sought to achieve through military action, we obtained several times over through negotiation; it was not even comparable," he told state television.
The agreement extends a ceasefire announced in April by a further 60 days and includes provisions aimed at paving the way for a permanent truce. Officials from both countries said Presidents Trump and Masoud Pezeshkian digitally signed the 14-point memorandum in English and Farsi, with Iran's Foreign Ministry confirming that the deal took effect immediately.
Among its provisions are an immediate halt to hostilities, the reopening of maritime traffic through the Strait of Hormuz, the lifting of US sanctions on Iran, the unfreezing of Iranian assets, and the creation of a $300 billion reconstruction fund for the country.
Iran has also reaffirmed its commitment not to develop nuclear weapons and agreed to the supervised down-blending of its stockpile of enriched uranium under the oversight of the International Atomic Energy Agency.
The war, launched by the United States and Israel on February 28, escalated rapidly into a broader regional conflict, resulting in more than 7,000 deaths, mostly in Iran and Lebanon. The fighting also disrupted global energy markets, raised inflation concerns and heightened fears of food shortages in vulnerable countries.
Oil prices fell on Wednesday amid optimism that the Strait of Hormuz would remain open, with Brent crude dropping below $80 a barrel before recovering slightly following Trump's threats of renewed military action.
Despite the agreement, analysts note that many of Washington's original objectives remain unmet. Iran's government remains in power, its ballistic missile programme is intact, and it continues to support allied groups in the region.
World leaders attending the G7 summit welcomed the breakthrough, although European nations have remained cautious about the long-term stability of the agreement and the broader implications for regional security.
Meanwhile, uncertainty remains over plans for a formal signing ceremony in Switzerland. While the United States has indicated such an event could take place on Friday, Iranian Foreign Ministry spokesperson Esmaeil Baghaei said no ceremony was necessary, given that both presidents had already signed the agreement.
The ceasefire also includes provisions aimed at ending hostilities in Lebanon between Israel and the Iran-backed Hezbollah movement. However, sporadic fighting has continued since the agreement was announced, with Israel maintaining that it reserves the right to use force if necessary.