From Grand Canyon, Ariz.: Flash flooding caused significant damage and disrupted access to trails. Crews are working to assess the extent of the damage to utilities and trails. A rescue effort was undertaken, with dozens of people rescued from the affected area.

The number of people unaccounted for was initially estimated to be over 20, but this figure was later revised. By Sunday, the estimated number of missing people had decreased to around 15.

Further details about the flooding and rescue efforts are available, including information about evacuations and the timing of the flooding.