The National Transportation Safety Board (NTSB) provides an update on the investigation into the deadly crash involving a passenger plane and a military helicopter over the Potomac in Washington, D.C. The plane out of Witchita, Kansas was approaching Ronald Reagan National Airport when the collision happened. White House officials say the UH-60 "Blackhawk" helicopter was on a training mission for "continuity of government." The President promised answers as soon as possible for the families of the victims. MORE: https://www.wthr.com/article/news/nation-world/aircraft-down-washington-dc-potomac-river/507-415bed11-7043-4fa0-ab80-e24084f60665