What could stop the Houthis’ advance across Yemen?

Yemen, already war-torn and under blockade for over a decade, risks descending into another civil war. The Houthis have tightened their grip on islands in the Red Sea, giving them control over a vital global shipping route. The fighting has unraveled a shaky ceasefire that had largely held since 2022, amid disruptions to maritime traffic in the Strait of Hormuz.