The U.S. military said the retaliatory strikes began at the direction of President Donald Trump. Two helicopter crew members were rescued by a Navy sea drone, a first for the U.S. military, officials said.

Central Command called the attack "a proportional response to unjustified Iranian aggression." The military did not elaborate on what targets were struck.

The US has said that it's completed a series of strikes against Iran which targeted air defence systems, ground control stations and radar sites following the downing of an American helicopter. The Iranian Revolutionary Guards said they hit back with strikes on US bases in Bahrain,

The U.S. launched airstrikes on Iran following the crash of an Army helicopter. CBS News New York's Allen Devlin reports.

President Donald Trump had urged restraint after the two countries intensified attacks, and Iran said it would halt its strikes.

Tehran ⁠will ⁠turn the naval blockade ​established by the United ‌States into another ‌defeat for ⁠the "enemy", ⁠Iran's top negotiator Mohammad Baqer Qalibaf ​said in a message posted on his ​Telegram channel on Monday.

U.S. Central Command said Tuesday evening that it conducted "self-defense strikes" on Iran in response to the downing of a U.S. Apache helicopter on Monday. President Trump said Iranians had shot down the helicopter that crashed near the Strait of Hormuz.

The U.S. military launched airstrikes and Iran retaliated Wednesday following the crash of an Army helicopter near the Strait of Hormuz that U.S. President Donald Trump blamed on the Islamic Republic.