Deadly Grand Canyon flash flooding prompts emergency evacuations

Grand Canyon flash flood witness David Gregory recounts his escape after flash flooding forced emergency airlifts. The disaster killed two and left at least one person missing.

Grand Canyon flood witness David Gregory recounts his survival story after sudden flash flooding forces emergency helicopter airlifts in the national park. The severe downpour destroys local infrastructure and leaves at least one person missing in the canyon. Emergency crews work to rescue stranded hikers from the rising waters as hazardous conditions persist.