The body of a 5-year-old boy who disappeared from an Ohio campground on Memorial Day has been found, authorities said.

Cameron Walters was discovered Tuesday in water near a boat dock area at Mineral Springs Lake Resort in Peebles, where he was last seen at about 5 p.m. Monday, WCPO reports.

Authorities searched for the boy using sonar and K-9s. More than 100 volunteers also scoured 13 miles of trails in the 350-acre campground in southwest Ohio, investigators told WCPO.

Investigators with the Adams County Sheriff’s Office do not suspect foul play in the boy’s death, the station reports.

Sgt. Mike Estep characterized the incident as a “terrible tragedy” in an alert sent out to surrounding counties.

It remain unclear if Cameron — who could not swim, authorities have previously said — wandered off by himself, WXIX reports.

“Very emotional,” Estep said when asked about the boy’s relatives. “Very emotional. Very, very emotional.”