A 7-year-old boy drowned after being found in a retention pond in Lake in the Hills.

The McHenry County Coroner’s Office said Thursday an autopsy was performed and the preliminary findings show drowning was the cause of death. The coroner’s office did not identify the boy, but said he was a 7-year-old male.

Toxicology is pending, the office said. The coroner’s office said it was called by Northwestern Medicine Huntley Hospital around 7 p.m. Wednesday.

Lake in the Hills police said Thursday morning officers responded to a report of a missing child on Steeplechase Way shortly before 6 p.m. Wednesday.

Police said the child had last been seen by family members a short time earlier.

A police officer found the child unresponsive in a nearby retention pond during a search. The officer pulled the child out of the water and immediately started life-saving efforts.

Huntley Fire Protection District paramedics arrived and continued life-saving efforts before taking the child to Northwestern Medicine Huntley Hospital, where the child was pronounced dead.

Lake in the Hills Police said they were investigating the incident in coordination with the McHenry County Coroner’s Office, and foul play is not suspected.