The husband of a mother of two who has been missing for more than three weeks has appealed for her to get in touch.
A police investigation was started after Sally Webster, 48, was reported missing from her home in Laird Avenue, Sheffield, on 20 November.
Her husband Lee and their two teenage daughters Lucy and Emily have said her disappearance is out of character.
At a press conference, Mr Webster said: "Sally if you're listening to this then let us know you are safe."
South Yorkshire Police Ch Insp Andy Male, who is leading the investigation, said there had been a confirmed sighting of Mrs Webster at a post office in the Wisewood area of Sheffield on 20 November.
Since then there have been a number of unconfirmed sightings in the city.
Mr Male said: "We have researched fairly extensively in her home address area. We've done house to house enquiries, we've researched the areas that we know Sally likes to go to with the family walking but so far there has been no contact with anybody."
Mr Male said enquiries had suggested there was no reason for Mrs Webster to go missing.
"We've looked into these matters fairly extensively. This seems totally out of character."