A family discovered possible human remains during an Easter egg hunt in the area of De Forest Park and Wetlands in North Long Beach on Sunday afternoon, according to authorities and broadcast reports.

Officers were called to the 5900 block of De Forest Avenue about 5 p.m. regarding the discovery, police said.

The park, which includes a basketball court, two soccer courts, pickleball courts and two softball fields, borders the Los Angeles River. It was unclear specifically where the possible human remains were found.

The Los Angeles County Medical Examiner’s Office was helping with the investigation, with the office’s forensic anthropologist team expected to assist, police said.

The family told CBS Los Angeles off-camera that children were looking for Easter eggs when the discovery of what appeared to be a human skull and other bones was made.

“At first we saw the family there, doing like an Easter egg hunt, but they were freaking out a little bit,” Marc Zaldana, who was walking along the path nearby, told the station. “I can only imagine, like for them finding a dead — another kid. Must be tragic for them.”