Trump's National Security Adviser, Mike Waltz, issued a warning to Iran after U.S. airstrikes in Yemen 'took out' multiple Houthi leaders. The strikes were in response to the group's attacks on shipping in the Red Sea. Waltz emphasized the difference between the Trump and Biden administrations' approaches, stating that the Trump administration is 'going after the Houthi leadership' and 'holding Iran responsible.' Trump also warned Iran to cut its support for the Houthis 'immediately' and threatened direct military action if necessary. The Houthis have vowed retaliations and Iran has condemned the airstrikes as a violation of the UN Charter.