India, March 27 -- The disappearance of Nancy Guthrie, mother of US television anchor Savannah Guthrie, has taken an emotional toll on her family. In an interview with NBC Today's Hoda Kotb, Savannah revealed that Nancy Guthrie's grandchildren have been worried and asking questions.

Nancy Guthrie, 84, was last seen on January 31 at her home in Tucson, Arizona, and was reported missing the next day under circumstances authorities have described as suspicious and likely involving abduction.

In the interview, Savannah Guthrie revealed that her children, daughter Vale and son Charles, have been grappling with confusion and fear, frequently asking questions like "Any leads?" and "Any hope?" as the search for their grandmother continues.

She...