The United States has launched a relentless airstrike campaign against Yemen’s Houthi militants, vowing to continue attacks until they halt assaults on global shipping in the Red Sea.

Ayatollah Ali Khamenei has framed the strikes as evidence that the U.S. fears the growing strength of Yemen's Houthi rebels.

Yemen's Iran-backed Houthi rebels have claimed responsibility for launching two attacks on an American aircraft carrier group ...