Why has Trump halted Iran attacks, and what is the deal he is hinting at?

United States President Donald Trump says the US and Israel have agreed to halt new attacks on Iran, provided a deal to end the months-long conflict is reached "rapidly". Trump said on his Truth Social platform early on Sunday in Iran and late on Saturday in the US that Iran and other Middle Eastern countries asked him to hold off on the attacks because "the perimeters of a deal has been agreed to". Iran denied Trump's claim that Tehran asked the US to refrain from conducting new strikes. Citing military officials, the agency said the allegation "was nothing but a new lie" and that the Iranian armed forces were "on high alert and ready for any eventuality". Trump earlier said in his post that the US was "locked and loaded and ready to go against the Islamic Republic of Iran" but Tehran and other Middle Eastern countries asked him to hold off on new attacks. "Based on this request, I have agreed, for the future benefit of the WORLD and, likewise, the survival of a successful and prosperous Iran, to cancel the attack, subject to being able to rapidly make a DEAL," Trump posted on his Truth Social platform. He said the deal "would include the Immediate, Complete, and Total OPENING OF THE HORMUZ STRAIT, and an end to Iran's nuclear threat". "The Country of Israel joins me in this commitment. Get to work, everybody, and get it DONE," he wrote in the post. There has been no clarity on this from either side or any regional mediating country. But there has been no indication from Tehran of a change of position over the waterway, which it has said would never return to the pre-war status quo. Tehran has been open to managing marine traffic in the strait with Oman. Trump and US allies in the Gulf have firmly rejected such a set-up to manage the Strait of Hormuz.