U.S. and U.K. Ships Return to Red Sea After Houthis Vow to Hold Fire

British and American ships are tentatively returning to the Red Sea after Yemen’s Houthi rebels vowed to hold off attacks on vessels linked to both nations, a sign that traffic on one of the world’s main trade routes could normalize after more than a year of disruption.

Six ships linked to the U.S. and U.K. have successfully transited the area without coming under attack since January 19, when th…