Debris from missing Titanic submersible found, passengers presumed dead

After four days of searching for the missing submersible that was exploring the Titanic’s wreckage, a Canadian deepsea robot spotted debris from the vessel. The five people on board are presumed to be dead. NBC News’ Tom Costello has the latest updates. » Subscribe to NBC News: » Watch more NBC video: NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features , , , Nightly News, Meet the Press, Dateline, and the existing apps and digital extensions of these respective properties. We deliver the best in breaking news, live video coverage, original journalism and segments from your favorite NBC News Shows. Connect with NBC News Online! NBC News App: Breaking News Alerts: V