No one was injured, according to the Qatari Ministry of Defense.
President Donald Trump announced "major combat operations" against Iran on Saturday, with daytime strikes in the joint U.S.-Israel attack targeting military and government sites, officials said.
On Sunday, Iranian state television confirmed that Ayatollah Ali Khamenei was among those killed by airstrikes in Tehran on Saturday.
Iran is responding to the U.S.-Israeli operation with missile and drone attacks targeting Israel, regional U.S. bases and Gulf nations. American diplomatic facilities have also been attacked.
In Lebanon, Israel is intensifying its long-running strike campaign against the Iranian-aligned Hezbollah militia.
Watch special coverage on Nightline, "War with Iran," each night on ABC and streaming on Disney+ and Hulu.
Australia’s Defense Minister Richard Marles said Tuesday that Iranian drones struck an Australian military facility in the United Arab Emirates on the first night of the conflict, but there were no injuries.
The drones struck Al Minhad Air Base, which is a logistics hub for Australia’s Middle East operations near Dubai, Marles said during a news conference.
During an interview with Fox News on Monday night, his first interview since the joint U.S-Israel strikes on Iran, Israel's Prime Minister Benjamin Netanyahu praised President Donald Trump.
"You needed a resolute president like Donald Trump to take that action. And we are his very strong and able partners, and our alliance today is so strong," he said.
"Action had to be taken, and we took it," Netanyahu said of the strikes and Iran's nuclear capacities.
Netanyahu claimed that Iran had "started building new sites, new places, underground bunkers that would make the ballistic missile program and the atomic bomb program renewed within months, if no action was taken now, no action could be taken in the future."
President Donald Trump submitted to Congress on Monday a war powers notification regarding military action taken on Feb. 28 against the government of Iran.
“Despite my Administration’s repeated efforts to achieve a diplomatic solution to Iran’s malign behavior, the threat to the United States and its allies and partners became untenable,” Trump wrote in a letter addressed to Sen. Chuck Grassley, president pro tempore of the Senate.
“Accordingly, and at my direction, on February 28, 2026, United States forces conducted precision strikes against numerous targets within Iran including ballistic missile sites, maritime mining capabilities, air defenses and command and control capabilities. Strikes were undertaken to protect United States forces in the region, protect the United States homeland, advance vital United States national interests including ensuring the free flow of maritime commerce through the Strait of Hormuz and in the collective self-defense of our allies, including Israel," Trump wrote.
In the notification, Trump acknowledges that “it is not possible at this time to know the full scope and duration of military operations that may be necessary” during this conflict.
“United States forces remain postured to take further action, as necessary and appropriate to address further threats and attacks upon the United States or its allies and partners,” Trump wrote.
-ABC News' Isabella Murray
The U.S. embassy in Riyadh, Saudi Arabia, has been struck by two Iranian drones, according to two U.S. officials and initial estimates from the Saudi Ministry of Defense.
The strikes resulted in "limited fire and minor damage to the building," a spokesperson for the Saudi Ministry of Defense said.
The embassy was relatively empty given the overnight hours and no one is believed to have been injured -- but there is still believed to be an ongoing threat to the embassy, the U.S. officials said.
The Defense Ministry later said eight other drones were intercepted during the overnight hours.
The State Department also issued an alert advising Americans in Saudi Arabia to shelter in place immediately.
This is the second U.S. embassy to sustain damage in an Iranian drone strike, following Kuwait on Monday.
-ABC News' Shannon K. Kingston
