Arrival of more U.S. warships off Yemen tightens 'siege' - Houthis
"The goal of the movement of American ships is to strengthen the siege imposed on Yemen and put the Yemeni people under collective punishment," Houthi politburo member Mohammed al-Bukhaiti told Reuters.
"This step increases the level of their participation in this war," he added.
(Reporting By Mohammed Ghobari; Writing by Noah Browning, Editing by William Maclean and Dominic Evans)