According to the Iranian news agency ISNA, Araghchi was to sit down with Pakistani officials to convey "Iran's positions and views on the framework of any understanding to completely end the war" in the Middle East.
Araghchi had already been in Islamabad only the day before, after which he travelled to Oman, while other Iranian envoys went to Tehran "to consult and obtain the necessary instructions on issues related to ending the war", according to the agency.
Before Saturday's Iran-Pakistan meetings in Islamabad, the White House had announced that Trump's peace envoy Steve Witkoff and son-in-law Jared Kushner were planning to leave for Pakistan to engage in further negotiations.
But Trump later told Fox News he had scrapped the trip, saying there was no point "sitting around talking about nothing". He dismissed Tehran's negotiating position, but added that it had revised its proposal within minutes of his decision.
"They gave us a paper that should have been better and -- interestingly -- immediately when I cancelled it, within 10 minutes, we got a new paper that was much better," he told reporters, without elaborating.
'Very fruitful'
Asked separately whether halting the trip meant a return to open hostilities, Trump said: "No, it doesn't mean that. We haven't thought about it yet."
Later, after a gunman was arrested at the White House Correspondents' Association dinner in Washington, Trump said he did not think the incident was related to Iran but that it would not deter him "from winning the war".
On Saturday, Araghchi met Pakistan's military chief Asim Munir, a key mediator, Prime Minister Shehbaz Sharif and Foreign Minister Ishaq Dar, before flying on to Muscat.
He is expected to go to Moscow after the talks in Islamabad.
Araghchi described his initial Pakistan trip as "very fruitful" but signalled scepticism over Washington's intentions. "Have yet to see if the US is truly serious about diplomacy," he said.
Hormuz blockade deepens
Pressure to end the war has intensified as the Strait of Hormuz remains under severe restriction by Iran, which has explicitly banned any vessels belonging to the US, Israel, or their "Western allies" from transiting the vital waterway.
Iran restricted traffic in response to the US-Israeli war on the country, though it has granted safe passage or specific transit approvals to vessels from "non-hostile" countries, including China, India, and Pakistan, among others.
Iran's powerful Revolutionary Guards dismissed any plans of lifting their restrictions on Hormuz, which have roiled energy markets.
"Controlling the Strait of Hormuz and maintaining the shadow of its deterrent effects over America and the White House's supporters in the region is the definitive strategy of Islamic Iran," the Guards said on their official Telegram channel.
The United States has imposed a blockade on Iranian ports in retaliation and has even seized control of Iranian ships.
In a statement carried by state media, Iran's military warned that continued US "blockading, banditry and piracy" would draw a response.
Israel strikes Lebanon
On the Lebanese front, the Israeli military began striking the south after issuing displacement orders for seven locations, despite the ongoing ceasefire in its war on Lebanon.
Lebanon's state-run National News Agency reported that "Israeli warplanes launched a strike" in Kfar Tibnit, one of the warned areas, with reports of casualties following the attack.
Under the terms of the Washington-brokered ceasefire between Beirut and Tel Aviv, Israel reserves the right to act against "planned, imminent, or ongoing attacks."
However, Lebanese officials and humanitarian groups report that Israel has used this provision to justify strikes that have killed over 2,500 people, the vast majority of whom are civilians. This toll includes at least 274 women, 177 children, and 53 health workers, while more than 7,750 individuals have been wounded.
On "Black Wednesday," April 8, Israeli strikes on Beirut's southern suburb of Dahiyeh killed 357 people in a single day.
*This story was edited by Ahram Online.
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