The three had become lost and disoriented while hiking.
Rescuers in Nepal pulled out a Chinese man and a woman in separate operations Saturday, 10 days after devastating floods hit the country, as teams continued searching for thousands of missing people.
"More than one person's voice has been heard from inside," an official said.
Using AI to plan was a "critical misstep," according to the sheriff’s office.
"Any fall would almost certainly be fatal," a volunteer team said after they carried out a more than 15-hour operation to rescue a climber who got off route near Mammoth Lakes, California, and was stranded on a small 6-inch ledge.
Some survivors have been pulled from the mud, while crews continue searching several locations for those still missing.