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UPDATE AT 4:31 P.M.: The teenage boy reported missing earlier today apparently had beenfound even before authorities put out the call for help, according to Times news partner

The King County Sheriffs Office says someone foundFrank Nguyenby a road late this morning and took him to Harborview Medical Center. Due to Frank’s autism, it took a while before authoritieswere able to determinewho he was. says Frank isOK and safe.

ORIGINAL POST: King County sheriffs deputies are asking for the publics help in locating a missing 15-year-old autistic boy.

Frank Ngyuen, was last seen this morning around7:45 at the Evergreen Community Aquatics Center, next to Evergreen High School in White Center. He lives about a mile away in Burien, said sheriffs spokesman Sgt. John Urquhart.

Frank is about 160 pounds, 5-feet-7 with a medium build. He was wearing a baseball cap, white polo shirt with a long sleeve shirt underneath and blue jeans. He was not wearing a jacket.

He is unable to speak, Urquhart said.

Anyone who sees the boy is asked to call 911.