The Israel Defense Forces said in a post to X on Monday that it had launched "a widespread wave of attacks" against Iranian government infrastructure in the capital Tehran.

In a notice on the U.S. State Department official website, the agency is advising Americans worldwide, "and especially in the Middle East," to "exercise increased caution."

"Americans abroad should follow the guidance in security alerts issued by the nearest U.S. embassy or consulate," the statement reads.

The State Department is warning that U.S. diplomatic facilities, including those outside of the Middle East, "have been targeted."

The agency warns that groups in support of Iran "may target other U.S. interests overseas or locations associated with the United States and/or Americans throughout the world."

Officials in Abu Dhabi said in a statement that one person was injured due to falling debris from a missile attack in the Al Shoamkh area.

UAE air defences responded to incoming missile and drone threats from Iran, officials said.

The Israel Defense Forces said in a statement that it's planning to "deepen" its military actions against Hezbollah in Lebanon.

"We are now preparing to deepen the maneuver and strikes according to an orderly plan. We will not stop until the threat is removed from the borders and long-term security is ensured for the residents of the northern region," the IDF said.

"It is a long battle, and we are prepared for it," the IDF added.

Further details about the operation were not provided.

President Donald Trump said the U.S. will "hit and obliterate" Iranian power plants if the Strait of Hormuz isn't opened within 48 hours

"If Iran doesn’t FULLY OPEN, WITHOUT THREAT, the Strait of Hormuz, within 48 HOURS from this exact point in time, the United States of America will hit and obliterate their various POWER PLANTS, STARTING WITH THE BIGGEST ONE FIRST!" Trump said in a post on his social media platform.

The largest power plant in Iran is thought to be the Damavand Combined Cycle Power Plant — which is located in the outskirts of the capital city Tehran.

Iran has effectively blocked the Strait of Hormuz -- a narrow waterway off Iran’s southern coast that normally handles about 20% of global oil consumption -- since the start of the war.

Trump's post came as he floated on Friday that he was considering "winding down" the U.S.'s military campaign, claiming the U.S. was "very close to meeting our objectives."

Trump also said Friday that the U.S. would "help" Gulf states secure and police the Strait of Hormuz "if asked."