A 9-year-old child and two adults are missing after they disappeared during a tubing trip in Michigan, police said. WATCH HERE WATCH HEREAuthorities said two 28-year-old women and a 9-year-old were believed to have been tubing on the Muskegon River, but when they didn't return, the father of one of the women went looking. Police identified the group as 28-year-old Jazzmin Hock, of Muskegon; 28-year-old Sarah Vida, of Muskegon; and 9-year-old Kayden Kovalcik. "At this time, investigators can confirm that two inflatable tubes, believed to be those used by the missing individuals, have been located. The Michigan State Police, along with our local, state, and public safety partners, continue the search for the three individuals reported missing on the Muskegon River.