Oklahoma authorities are asking the public to help locate a Norman father and his 4-year-old son who were last seen together Sunday evening, Oct. 11. Caleb Furley, 25, and his son, Andres “Harry” Furley, were last seen at about 7 p.m., according to an Endangered Missing Advisory activated by the Oklahoma Highway Patrol. The alert said an extensive search had not located them. Norman police were first contacted about the pair. They may be traveling in a silver, four-door 2012 Dodge Ram pickup with Oklahoma license plate RMR004, the advisory said. Caleb Furley is described as 5 feet 10 inches tall and 140 pounds, with brown hair and blue eyes. Andres is 3 feet 3 inches tall and weighs about 40 pounds, with brown hair and brown eyes. Authorities did not have clothing descriptions for either of them. Anyone with information about their whereabouts is asked to call 911.