Updated

Search and rescue operations at the Grand Canyon following Saturday's deadly flooding have become more hazardous due to continued chances of rain. Rescuers are contending with ongoing weather risks as they work to locate victims and survivors of the flood. Officials now say the flooding killed two people, with one person still unaccounted for as of Wednesday. Dozens of hikers were airlifted to safety during the rescue effort, and authorities say almost everyone involved has now been located.