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    Pittsburgh bridge collapses hours before Biden's infrastructure speech in city

    02:40
  • WATCH: Drone captures aerials of collapsed Pittsburgh bridge

    01:23
  • Bodycam footage shows Tennessee officers open fire on man with box cutter, shiny object

    01:40
  • Pittsburgh mayor: Infrastructure funding is 'critical' after bridge collapse

    01:24
  • Jerome ‘The Bus’ Bettis heads back to Notre Dame to finish his business degree

    05:20
  • Police announce possible new victim in San Francisco ‘Doodler’ serial killer case

    01:55
  • Four in custody after 6 found dead at Milwaukee home

    01:43
  • Antisemitism on the rise in the U.S.

    08:44
  • Florida officials use dating apps to find drug dealers in ‘swipe left for meth’ operation

    01:25
  • Suspect accused of shooting three Houston police officers in custody

    01:10
  • Michael Avenatti cross-examines former client Stormy Daniels

    02:24
  • More than 30 million Americans are under winter storm watches

    02:06
  • Coast Guard calls off search for survivors of capsized boat off the coast of Florida

    02:28
  • Woman found and returned lost letter written by a Holocaust survivor in 1945

    02:11
  • No arrests in the shooting of a Black man, his family now demands answers 

    03:16
  • Texas scientists develop a patent-free Covid vaccine

    06:01
  • Covid vaccine mandate for health care workers takes effect amid staff shortage

    01:45
  • United Airlines opens flight academy to address pilot shortage

    01:58
  • Team USA athletes head to Beijing

    01:20
  • A look back at NBC News correspondent Kevin Tibbles’ best moments

    02:37

TSA Testing New Screening Measures at US Airports

01:41

Ten airports across the US, including Boston and Los Angeles, will participate in the TSA’s pilot program that would make passengers take more contents out of carry-on bags for separate screenings.