Search underway for missing 13-year-old near Devil's Lake State Park.

The search for a missing 13-year-old boy, James Yoblonski, in Sauk County, Wisconsin, has resumed with the use of a Blackhawk helicopter and a DNR fixed-wing aircraft. The boy's last known location was in the area of Devil's Lake State Park. A makeshift campsite with some of his belongings was found earlier. The Sauk County Sheriff's Office is asking people to avoid the area due to heavy traffic and limited visibility. Anyone with information is urged to contact the sheriff's office.