Israel reinforces naval defenses as Iran-backed Houthis seize the strategic shipping chokepoint, raising fears they could disrupt global trade with missiles and explosive boats; Jerusalem says it will stay out unless directly attacked

Rapid advance of Iran-backed force threatens key alternative shipping route to Strait of Hormuz.

Yemen says Iran-backed Houthis seized Bab el-Mandab; Tehran reportedly supplied Yemeni rebels with money, weapons and commanders; Israeli officials 'negative development' but…