0 point. causes lung cancer, heart disease, and more. dr. sanjay gupta, cnn reporting. that s it for me. newsroom continues right now with my pal, brooke baldwin. brianna keilar, thank you so much. happy friday. i m brooke baldwin. not exactly a happy friday for a lot of people in west virginia. more than 300,000 people can t use their tap water to bathe, drink, cook, or wash. this is happening in west virginia because of a chemical leak. it infiltrated a nearby water treatment plant in charleston. this is so serious the u.s. attorney is investigating here. look at the map. nine counties in the southwestern part of the state are currently affected. even president obama is stepping in, declaring the incident a federal emergency. let me take you back to yesterday when this began when the leak 13i8ed into the elk river and made its way downstream. it came from the 48,000 gallon tank at the chemical storage facility. this is a mile away from the west virginia american water company and