Democrats and a few Republicans are calling for curbing Trump's unilateral use of military power in Iran, despite previous such efforts failing to advance.

U.S. Sen Jon Husted (R-OH) said businesses should get the break but his Democratic opponent former U.S. Sen Sherrod Brown said it should go to working Ohioans.

U.S. Rep. Mike Turner (R-Dayton) reacted to the strikes on CBS Face the Nation on March 1.

The high prices came as U.S. and Israeli attacks on Iran and retaliatory strikes against Israel and U.S. military installations around the Gulf sent disruptions through the global energy supply chain.

The deaths of three U.S. service members mark the first American casualties since the start of operation "Epic Fury" on Saturday. President Trump said "there will likely be more" Americans killed.

In a scathing review, the top US medical journal's editorial board warned that the "destruction that Kennedy has wrought in 1 in office might take generations to repair."

Several leaders voiced support for the operation — but most, including those who stopped short of condemning it, called for restraint moving forward.

Top lawmakers were notified about the operation shortly before it was launched, but the White House did not seek authorization from Congress to carry out the strikes.

The Iranian government has declared 40 days of national mourning after Khamenei was killed in a U.S.–Israeli attack on Saturday.