More than 700,000 people have been impacted by flooding across South Sudan, the UN’s humanitarian agency said, warning the number affected was rising daily. “Floods have caused extensive damage to homes, crops and critical infrastructure, disrupting education and health services and increasing the risk of disease outbreaks,” said UN humanitarian agency OCHA in a situation report on Thursday. It said that as of September 5 “flooding has affected more than 710,000 people across 30 of 78 counties”. Since gaining independence in 2011, the world’s newest nation has remained plagued by instability a…