EDEN, N.C.—A search resumed Friday on a North Carolina river for two missing tubers after three others were found dead and four were pulled from the water, authorities said. The group of nine people was floating down the Dan River on inflatable tubes and went over a dam that’s about 8 feet high next to a Duke Energy plant on Wednesday night, Rockingham County Emergency Services Director Rodney Cates told reporters. A Duke Energy employee who saw some of the tubers called the situation in to 911 Thursday afternoon, Cates said. Cates said that an air and water search for the remaining two missing tubers went until dark Thursday and resumed Friday morning around 7 a.m. Rescue personnel were seen hauling rafts toward the water Friday at a staging area in Eden, north of Greensboro near the Virginia state line. Cates did not release the identities of the people involved. …