State police and local authorities are investigating an “unattended death” last week at the Sterling Police Department,  a spokesperson for Worcester County District Attorney Joseph D. Early Jr. said Friday.

“Massachusetts State Police Detectives assigned to the Worcester County District Attorney’s Office and Sterling Police continue to investigate the June 23 unattended death at the Sterling Police Department,” the spokesperson said in a statement. “Authorities are awaiting autopsy results which include toxicology reports.”

Additional details were not available Friday morning.

Sterling Police Chief Sean Gaudette did not immediately respond to a request for comment.