Feb. 11 (UPI) -- Authorities in Arizona have detained a person in the investigation of missing Nancy Guthrie, mother of Today show host Savannah Guthrie.

The unidentified person was detained by deputies of the Pima County Sheriff's Department on Tuesday, the department said.

"The subject is currently being questioned in connection to the Nancy Guthrie investigation," the sheriff's department said in a statement.

No other information was made immediately public, and the sheriff's department later added that "no press conference would be scheduled at this time."

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