Arizona authorities are searching for Nancy Guthrie“TODAY” anchor’s mother Savannah Guthrieas authorities are calling the situation, is reported missing.

The Pima County Sheriff’s Department said the 84-year-old man was last seen Saturday night near his home in the Tucson area. sheriff Chris Nanos She said she was last seen at her home around 9:30 to 9:45 p.m.

Around noon Sunday, family members called 911 to report the NBC star’s mother missing.

The sheriff said at a news conference that disturbing or alarming circumstances were discovered at the home and homicide detectives were asked to assist in the investigation. Although authorities emphasized that the incident is currently being treated as a search and rescue operation, the sheriff said investigators have not ruled out foul play.

Search operations are underway with air and ground teams combing the area. Nancy is described as being 5 feet 5 inches tall, weighing approximately 150 pounds, and having brown hair and blue eyes.