New Delhi, Feb. 11 -- Online speculation intensified this week after social media users claimed that a helicopter flight from Rio Rico, Arizona, to a Banner hospital in Tucson was linked to the disappearance of 84-year-old Nancy Guthrie, mother of US television host Savannah Guthrie.

Posts circulating on X suggested that an elderly woman matching Nancy Guthrie's description had been transported by air following what some described as a high-risk operation in the Rio Rico area, roughly an hour south of Tucson. One user wrote that law enforcement had confirmed an 84-year-old woman was rescued and that "She was airlifted by a LifeNet helicopter to Banner University Medical Center in Tucson for emergency evaluation."

The same post added: "W...