State Department tells Americans worldwide to 'exercise increased caution'

The war entered its fourth week on Saturday.

Last Updated: March 22, 2026, 8:29 PM EDT

President Donald Trump announced "major combat operations" against Iran on Feb. 28, with massive joint U.S.-Israel strikes attack targeting military and government sites, officials said.

Ayatollah Ali Khamenei was among those killed in Tehran on the first day of strikes and his son Mojtaba Khamenei was chosen to succeed him. Iran is responding 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.

Watch special coverage on Nightline, "War with Iran," each night on ABC and streaming on Disney+ and Hulu.

Mar 16, 2026, 4:18 PM EDT

More Iranian strikes reported across the region

More Iranian strikes were reported across the region on Monday, including in Abu Dhabi, Qatar, Kuwait, Saudi Arabia and Israel.

Mar 16, 2026, 3:11 PM EDT

200 US troops have been wounded, including 10 'seriously'

Two-hundred U.S. troops have been wounded in the war with Iran so far, including 10 service members who have been “seriously wounded, according to Central Command spokesperson Capt. Tim Hawkins.

Out of the 200 injured, 180 troops have returned to duty, he said.

USS Abraham Lincoln supports Operation Epic Fury, March 3, 2026.
US Navy

Wounds include burns, traumatic brain injuries and shrapnel wounds, according to a U.S. official.

Most attacks wounding U.S. troops have been from one-way Iranian attack drones, Joint Chiefs of Staff Chairman Gen. Dan Caine said last week.

-ABC News’ Steven Beynon

Mar 16, 2026, 2:14 PM EDT

Over 1 million displaced in Lebanon, officials say

Over 1 million people are displaced in Lebanon, with more than 100,000 of those people staying in shelters, according to the nation’s Disaster Risk Management Unit at the Prime Minister's Office.

Men inspect a site of overnight Israeli airstrikes in the southern suburbs of Beirut, March 16, 2026.
AFP via Getty Images

The Israel Defense Forces on Monday announced a "limited and targeted" ground operation in southern Lebanon, and Israel's Ministry of Defense said that "hundreds of thousands of Shiite residents of South Lebanon who have been evacuated” cannot “return to their homes south of the Litani region until the safety of the residents of the north is guaranteed."

Mar 16, 2026, 1:51 PM EDT

Iran not prepared for talks to end war

Iranian President Masoud Pezeshkian said in a call with French President Emmanuel Macron that the Iranians are not prepared for talks to end the war, saying there needs to be assurances that there would be no more attacks on Iran.

"I emphasized [in the call with Macron] that Iran did not begin this atrocious war,” Pezeshkian said, according to a readout released by Iran.

“Speaking of ending the war, is meaningless, until we ensure there will be no more attacks in our land in the future," he said.

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