News Wrap: Guinean authorities say Ebola outbreak has grown into ‘unprecedented epidemic’

Summary: In our news wrap Monday, authorities say the Ebola virus has killed 78 people in Guinea, while one death has been reported in neighboring Liberia. With no vaccine or specific treatment, nurses have struggled to help the victims. Meanwhile, the search crew at the site of the Washington mudslide are facing dangers of toxic sludge, which might contain sewage, chemicals and possible germs.