Multiple Searches Underway for Missing Hikers in Yosemite National Park and Altadena

Officials in Yosemite National Park are searching for Hayden Klemenok, a missing hiker who was last seen backpacking with a group at Upper Chilnualna Fall on Sunday afternoon. Klemenok entered Chilnualna Creek near the trail junction but hasn't been seen since. He was last seen wearing a red t-shirt, blue swimming trunks, white sneakers, a tan hat, and sunglasses. Anyone with information is urged to contact Yosemite National Park dispatch.