WorldCould Yemen’s Houthis hold the world to ransom?

Yemen’s civil war has intensified in recent weeks after the Iran-backed Houthi movement rapidly seized strategically important parts of the Red Sea coast. The offensive followed the collapse of a four-year informal ceasefire. Oil prices have risen over fears of wider disruption to the global economy, while hundreds have reportedly been killed on both sides and the UN says more than 120,000 people have…