Yosemite hiker missing after being swept away by fast-moving creek

Hayden Klemenok, 24, went missing while backpacking with group at Upper Chilnualna Falls, National Park Service says

A hiker has been missing in Yosemite national park since the holiday weekend after being swept away by a cold and fast-flowing creek as California's epic winter snowpack melts.

Hayden T Klemenok vanished while backpacking with a group at Upper Chilnualna Falls on Sunday, the National Park Service said in a statement.