Daughter of missing mom makes plea

Savannah Guthrie has marked a difficult Mother's Day by sharing an emotional message regarding her missing mother, Nancy Guthrie.

Nancy disappeared from her home in Tucson, Arizona, on February 1st under suspicious circumstances, and no arrests have been made in the case.

The NBC anchor posted a montage of family photos on Instagram, stating that her family 'will never stop looking' for her.

Local law enforcement and the FBI continue to investigate the disappearance, which has drawn national attention and a significant reward for any information leading to her recovery.