meticulously go through it. but again, this was a devastating tornado, 170 miles an hour. and like in so many places, just picked up this mobile home and threw it into the trees. people having to rebuild basically from scratch. >> drew griffin, thanks. for more information about how you can help the victims of the tornados, go to cnn.com/impact. breaking medical news. a patient in london might be the second hiv patient ever cured outright. according to a case study, the so-called london patient was being treated for cancer, not hiv, but is now in sustained remission from both diseases. this case comes more than ten years after a berlin patient was cured using similar stem cell transplants from donors who carry a rare genetic mutation.