Authorities have revealed what caused the death of a Florida 14-year-old who had been missing for almost two weeks.

On Wednesday, the Medical Examiner’s Office in Jacksonville determined that Sergio Domingo Diego died as a result of an accidental drowning.

“Please remember his family and friends in prayer,” the office said in a statement.

Sergio’s body was found June 4 near Jennings, Florida. The child had been reported missing June 3. He was last seen May 31 on Oak Street in Jennings, the Florida Department of Law Enforcement said in a news release.

“It is with sadness that we confirm the child has been found deceased,” the statement read.

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Members of the conversion crew take a break as the main scoreboard is lowered to the floor to be worked on as the arena gets ready for the next concert at State Farm Arena, Thursday, October 2, 2025, in Atlanta. The crew was working on creating a stage for the Friday, Oct. 3 Maxwell concert. (Jason Getz/AJC)

Credit: Jason Getz / Jason.Getz@ajc.com