Nation: More than 5,000 people have been evacuated near Marysville outside Knoxville, Tennessee after a train carrying toxic chemicals derailed Wednesday at midnight and caught fire. At least 25-people were admitted to a local hospital with respiratory issues. The train …

Outbreak: The number of Ebola cases has passed 10,000, with 4,922 deaths, according to the World Health Organization. All but 10 of the deaths have occurred in Sierra Leone, Liberia and Guinea. Here at home, Dallas nurse Nina Pham, the …