Pakistani Foreign Minister Ishaq Dar made the announcement on Sunday.
President Donald Trump announced "major combat operations" against Iran on Feb. 28, with massive joint U.S.-Israeli strikes attack targeting military and government sites, officials said.
Ayatollah Ali Khamenei was among those killed in Tehran on the first day of strikes, with his son Mojtaba Khamenei later chosen to succeed him. Iran has responded with missile and drone attacks targeting Israel, regional U.S. bases and multiple Gulf nations. Iran is also attempting to block some shipping traffic through the Strait of Hormuz.
Israel is also intensifying its long-running strike campaign against the Iran-backed Hezbollah militia in Lebanon and expanding its ground operations in the south of the country.
Watch special coverage on Nightline, "War with Iran," each night on ABC and streaming on Disney+ and Hulu.
Iran launched five waves of ballistic missiles toward Israel within two hours on Thursday morning.
First responders said they were attending the scene of one strike in the Kfar Qassem area northeast of Tel Aviv, where six people were injured.
An Iranian military spokesperson said that 70 targets were hit inside Israel.
-ABC News' Joe Simonetti
President Donald Trump said Wednesday night that the U.S. and Iran are negotiating, alleging that leaders in Tehran are eager to make a deal but afraid to confirm that talks are ongoing despite Iranian officials denying that negotiations have been underway.
"And they are negotiating, by the way, and they want to make a deal so badly, but they're afraid to say it, because they figure they'll be killed by their own people. They're also afraid they'll be killed by us," Trump said during the annual National Republican Congressional Committee dinner hosted at Union Station in Washington, D.C.
Trump also seemed to imply difficulty in finding someone willing to take on Iranian leadership.
"There's never been a head of a country that wanted that job less than being the head of Iran. 'I don't want it.' We listen to some of the things they say. We hear very clearly, they say, 'I don't want it.' 'We'd like to make you the next Supreme Leader,' 'No, thank you. I don't want it,'" Trump said.
Trump also again alluded to Iran firing a huge barrage of missiles at a key U.S. asset in the region following comments he made in the Oval Office on Tuesday that Iran "shot 100 missiles at one of our aircraft carriers, one of the biggest ships in the world, actually."
"You know, we had an attack. 100 missiles were shot by Iran at a very important thing that we had. I won't tell you what it was," Trump told the crowd.
"And of the 100 missiles coming at us, 100 missiles were immediately shot down, shot out of the air, fall into the sea. Think of it. Not one missile got through. That was the Patriot system," he added.
-ABC News' Nicholas Kerr and Emily Chang
The U.S. Embassy in Baghdad on Thursday urged all American citizens to leave Iraq, citing "widespread attacks on U.S. citizens and targets associated with the United States throughout Iraq" by "Iran-aligned terrorist militias."
The mission in Iraq remains open "to assist U.S. citizens," the embassy said in a post to X. "Do not attempt to come to the embassy in Baghdad or the consulate general in Erbil in light of ongoing risk of missiles, drones and rockets in Iraqi airspace."
An Israeli soldier was killed during combat in southern Lebanon, the Israel Defense Forces said in a statement issued on Thursday morning.
The killed soldier was named as Sgt. Ori Greenberg, 21.
