In Yemen, health officials are warning of possible new outbreaks of contagious illnesses like cholera and malaria, due to stagnant waters left behind after Tropical Storm Luban tore through eastern Yemen last week, killing 12 people. This month the U.N. warned about 10,000 new cases of cholera appear each week in Yemen. The water-borne disease has been spreading rapidly since much of Yemen’s sanitation and medical infrastructure has been destroyed by the U.S.-backed, Saudi-led bombing campaign, which is led by Saudi Crown Prince Mohammed bin Salman. The U.N. has called Yemen the worst humanitarian catastrophe in the world.