'We are ready to talk': Savannah Guthrie appeals for return of missing mother – video

Today show host Savannah Guthrie and her siblings have published a video statement calling for the safe return of their mother, Nancy Guthrie, 84, reported missing on Sunday. Guthrie said her mother's health was fragile and she needed her medicine to survive. She said she had heard of the reports of a ransom letter and continued: 'We are ready to talk, however we live in a world where voices and images are easily manipulated. We need to know without a doubt that she is alive'

• Savannah Guthrie releases video appealing for proof her missing mother is alive