Big Island police were investigating the disappearance of a 46-year-old Hilo woman.
Myra M. Hatayama was last heard from early Saturday morning, police said.
"A detective is assigned to the case," Criminal Investigations Section Lt. Gregory Esteban said. "We have concerns about her disappearance. At this point, we cannot exclude foul play. We are following some leads."
Hatayama is described as 5 feet tall and about 110 pounds, with shoulder-length brown hair, brown eyes and a tan complexion. She was last seen wearing a gray tank top, gray shorts and slippers.
Anyone with information on her whereabouts is asked to call Detective Reed Mahuna at 961-2384.
Anonymous calls may be made to CrimeStoppers at 961-8300 or 329-8181.