Credit: KCNC/Sublette County Sheriff's Office
The search is on for the brother of U.S. Senator Mark Udall.
James "Randy" Udall, 61, of Carbondale, Colo. disappeared while hiking in the Wind River Mountains in Sublette County, Wyoming.
He was last seen June 20 when he left for his solo hike; he was expected back on the 26.
Search crews are using helicopters and teams on the ground to look for Udall.
We'll stay on top of the search and let you know if he's found.