"The (Israel Defense Forces) sees this Iranian attack on Israel with severity," a spokesperson for the military said. There were reports that Israel targeted Iranian positions in Syria in response.
Trump has a "very flawed understanding" of the Iran nuclear deal, former CIA Director John Brennan said.
Saudi Arabian Foreign Minister Adel al-Jubeir said, "We will do whatever it takes to protect our people," including building nuclear weapons.
Richard Grenell has been accused of making threats towards German businesses over imminent U.S. sanctions on Iran.
"One by one, we are keeping the promises I made to the American people during my campaign for president," Trump said when he withdrew from the Paris Climate Accord.
Boeing's European rival, Airbus, also stands to lose deals if the U.S. imposes sanctions against Iran.
Hours after the Israeli military urged citizens to take shelter and President Donald Trump left the Iran deal, new strikes were reported in Syria.
Israel deployed defense systems, and troops "are on high alert for an attack," the Israel Defense Forces said in a statement.
President Donald Trump has said the U.S. will leave a historic 2015 nuclear deal with Iran, a potentially destabilizing decision for the region.
The president will make an announcement on the deal on Tuesday.
The U.S.—with Israeli encouragement—appears to be stepping away from the JCPOA, while Iran and the other signatories try to save it.
Israeli Prime Minister Benjamin Netanyahu was granted the power to go to war with only his defense chief's approval in "extreme situations."
The prime minister says he has "exact copies" of Iran's atomic archive.
Revolutionary Guards Naval Commander Rear Admiral Ali Fadavi claimed his military speedboats could cruise circles around U.S. warships.
The Ayatollah said Muslims must resist arrogant western nations.
Europe is fighting to keep the deal. Trump wants to kill it. Meanwhile, Moscow and China will likely back Tehran.
As French President Emmanuel Macron arrives in Washington, a top priority will be convincing his American counterpart to stay within the landmark nuclear agreement with Iran.
Iranian Foreign Minister Mohammad Javad Zarif said one option "would involve resuming at a much greater speed our nuclear activities."