The U.S. and British militaries bombed more than a dozen sites used by the Iranian-backed Houthis in Yemen on Thursday, in a massive retaliatory strike using warship and submarine-launched Tomahawk missiles and fighter jets, U.S. officials said. President Joe Biden said the strikes were meant to demonstrate that the U.S. and its allies “will not tolerate” the militant group’s ceaseless attacks on the Red Sea. “These strikes are in direct response to unprecedented Houthi attacks against international maritime vessels in the Red Sea — including the use of ant...