Hoda Kotb speaks on Guthrie investigation amid ongoing search

Pima County officials say 84-year-old Nancy Guthrie was reported missing from her home outside Tucson and the FBI is assisting an ongoing search; Hoda Kotb told 'TODAY' she is heartbroken and described a wide outpouring of support.

Hoda Kotb joined "TODAY" to speak about the national response as authorities search for Nancy Guthrie. She described feeling heartbroken and noted vigils and messages of support for the Guthrie family. Pima County officials reported Nancy Guthrie, 84, missing after she did not show up at church. The FBI is assisting a possible abduction investigation and law enforcement has not publicly identified suspects. Known details: - Nancy Guthrie, 84, was reported missing from her home outside Tucson after she did not show up at church. - Pima County Sheriff Chris Nanos said Guthrie was last seen around 9:45 p.m. the previous day when family members dropped her off at home. - The FBI is assisting a possible abduction investigation and no suspects or persons of interest have been identified. - Reports say ransom notes referencing Guthrie were sent to some news outlets, but law enforcement has not substantiated those reports and NBC News has not seen copies. - Hoda Kotb told her former colleagues on "TODAY" that the situation is "breaking my heart" and described broad public support for Savannah Guthrie and her family. Summary: The report of Nancy Guthrie's disappearance has prompted a national show of support and ongoing investigative activity. Authorities, including the FBI, are involved and have not named suspects. Undetermined at this time.