Share: Some 80 percent of Yemenis need help, with 400,000 children under the age of five severely malnourished. Hundreds of Yemeni families including many children trapped inside their camps in Marib province by Iran-backed Houthis are being used as a human shield against government forces, a Yemen government unit has claimed. AL-MUKALLA: Hundreds of Yemeni families trapped inside their camps in Marib province by Iran-backed Houthis are being used as a human shield against government forces, a Yemen government unit has claimed. In a report seen by Arab News on Saturday, the internationally recognized government’s Executive Unit for IDP Camps said that militia fighters had besieged camps and planted land mines on main roads to stop families escaping and hinder advancing troops.