Hiker vanishes in Yosemite National Park, sparking search efforts

Hayden T. Klemenok, a man from the Bay Area, has gone missing while hiking in Yosemite National Park. Last seen at Upper Chilnualna Falls on July 2, 2023, park officials are urging anyone with information or who was in the area to contact them. A search and rescue operation is underway to locate Klemenok, who was backpacking with a group.