Transcript for Yosemite Park Search: 1 Boy Missing, 1 Boy Dead
The search is on today for a six year old boy swept away in a treacherous stretch of river in Yosemite National Park. The boys ten year old brother also fell into the water was pulled out but later -- the kids -- -- a family hiking trip. Hikers often use the river to cool off a park Rangers warned that that is dangerous.
This transcript has been automatically generated and may not be 100% accurate.