American and British forces shot down 18 drones and three missiles Tuesday that were launched by Yemen’s Iran-backed Houthi rebels toward international shipping lanes in the Red Sea, the US military said. The attack came a week after 12 nations led by the United States warned the Houthis of consequences unless they immediately halted firing on commercial vessels – strikes the rebels say are in support of Palestinians in Gaza, which Israel has destroyed in an unprecedented war. “Iranian-backed Houthis launched a complex attack of Iranian designed one-way attack UAVs…, anti-ship cruise missile…