Armed group caused global disruption in 2024 through attacks on merchant vessels in the Red Sea On The Ground newsletter: Get a weekly dispatch from our international correspondents Get a weekly dispatch from our international correspondents Get a weekly international news dispatch Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice The Houthis , a Yemeni rebel group known for its attacks on shipping, have joined the Iran war