BUCKINGHAM COUNTY, Va. (WRIC) — A 6-year-old, non-verbal, autistic boy with Down syndrome who went missing in Buckingham County on Sunday evening was found dead Monday morning, according to the Toga Volunteer Fire Department.

Landon “Waldy” Raber was found dead around 5:30 a.m. on Monday morning, according to his family. The Buckingham County Sheriff’s Office said an aerial drone and other resources, including a fixed-wing aircraft from Virginia State Police, were deployed for the search.

The child’s body was found in a pond on the property, according to the sheriff’s office.

Photos provided by The AWARE Foundation

“This is a very tragic and unfortunate incident. We as a community grieve this loss. I do want to personally thank all who participated in the search efforts to include the fire departments and the many local residents who came to lend a hand,” Sheriff W.G. Kidd Jr. said in a statement.

Raber was last been seen near the area of 4650 New Stone Road in Buckingham County around 8 p.m. on Sunday, July 10.

The Buckingham County Sheriff’s Office asked for residents to be on the lookout for Raber early Monday morning. All Buckingham County Volunteer Fire Departments, Virginia Department of Emergency Management Search and Rescue, and Virginia State Police Helicopter assisted in the search.

Buckingham’s Sheriff’s Office sponsors a program called Project Lifesaver that uses FM frequencies to help locate missing people “who may be more prone to becoming lost as a result of dementia, Alzheimer’s, autistic and the like,” the sheriff’s office said in a release.

Those interested in the Project Lifesaver program can contact Lt. Albert Jamerson at 434-969-1772.