Passengers describe terrifying experience after piece of Alaska Airlines plane detached midair; Heavy snow blankets parts of the Northeast, causing power outages and dangerous road conditions; Fallout grows over defense secretary's secret hospitalization; and more on tonight's broadcast.

Monster storm system sparks deadly tornado outbreak in Gulf Coast and Southeast; Secretary Austin hospitalized for prostate cancer treatment complications: Walter Reed officials; Trump's lawyer urges court to find him immune from prosecution for efforts to overturn election; and more on tonight's broadcast.