LIVE: NBC News NOW - Aug. 31

LIVE: NBC News NOW - Aug. 31

LIVE: NBC News NOW - Aug. 27

NBC Nightly News Full Episode - Aug. 31

NBC Nightly News with Tom Llamas Full Episode - Aug. 26

At least two dead after catastrophic Grand Canyon flooding

Search teams have been working around the clock to locate more than a dozen people who are still unaccounted for after a devastating flash flood tore through the Grand Canyon on Saturday. NBC News’ Dana Griffin has the latest.

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