Ms Edwards , 54 , was last seen between on Saturday in Grafton , NSW . Police and family say they hold 'grave concerns ' for her welfare . Divers are expected to spend a second day searching for the teacher in Clarence River , NSW . She posted a smiling image of herself posing in front of a sunrise on the morning she disappeared . She has no known medical conditions and has not made contact with relatives .
Sharon Edwards , 54 , was last seen between on Saturday in Grafton , NSW . Police and family say they hold 'grave concerns ' for her welfare . Divers are expected to spend a second day searching for the teacher in Clarence River , NSW . She posted a smiling image of herself posing in front of a sunrise on the morning she disappeared . She has no known medical conditions and has not made contact with relatives .