An Iran-backed Houthi militant group in Yemen has escalated its campaign against global shipping, vowing to target any vessel operated by companies doing business with Israeli ports. The warning follows a renewed wave of Israeli attacks following the collapse of an earlier Gaza ceasefire . Iran-backed Houthis Since 2023, the Houthis have struck more than 100 commercial vessels, prompting some major shipping firms to suspend routes through the Red Sea — including to Israel . The group’s stepped-