Israel sent troops into Lebanon as the U.S.-Israeli war with Iran widened, and some of Iran's Gulf neighbors warned that Iran's retaliatory fire could draw them into the spreading conflict.

Complicating the scenario is the fact that the Trump administration has given conflicting answers as to why it is at war with Iran in the first place. Those include stopping Tehran’s alleged nuclear weapons program and crippling its ballistic missile capability before it builds missiles that could reach the United States.

The broadening Iran war has ricocheted across the region and beyond. Nearly every country in the Middle East is sustaining damage from missile hits or shrapnel, with many reporting casualties.

The president’s restraint-minded backers accuse the administration of breaking its promise.

The defense and energy sectors have the most to gain from a lengthy conflict.

Secretary of War Pete Hegseth is holding a press conference on Operation Epic Fury, five days after the first U.S. strikes on Iran and the killing of the country's ayatollah. He'll be joined by Admiral Brad Cooper.

Secretary of Defense Pete Hegseth called the sinking of an Iranian warship with a single Mk48 torpedo a "quiet death."

UK to send more jets to Qatar as Greece and Italy bolster Cyprus defenses and evacuation flights for Americans get underway. Follow for live updates.