Military officials said the attacks came in response to Iran targeting Navy assets. Iran says U.S. vessels were attempting to seize an Iranian oil tanker.

Iran’s foreign minister accused Washington of undermining diplomacy. Secretary of State Marco Rubio said the U.S. expected to hear from Tehran on Friday.

“The presence of French and British warships, or those of any other country potentially accompanying the illegal and internationally unlawful actions of the United States in the Strait of Hormuz, will be met with a decisive and immediate response from the armed forces of the Islamic Republic of Iran.

Iran and its armed allied groups possess a large fleet of drones and have used them to carry out hundreds of strikes since the war began. The events marked the latest threats to a month-old ceasefire, which the Trump administration says remains in effect.

The United States and Iran have been discussing a 30-day extension to their cease-fire and a reopening of the Strait of Hormuz.

US forces targeted Iranian military facilities responsible for launching a series of “unprovoked” missile, drone and small boat attacks against American warships transiting the Strait of Hormuz, US Central Command said on Thursday.

Iran launched attacks on the UAE and tankers in the Strait of Hormuz while the U.S. destroyed Iranian boats "that attempted to interfere" with Project Freedom.

Stock market indices fell, and oil prices rose after the reported attack on the United Arab Emirates by Iran, which came nearly a month into a ceasefire.

A cargo ship caught fire Sunday after being hit by an unknown projectile off Qatar's coast, the British military said.