Rita, whose surname has not been released, was last seen at 10.20am on 26 February, Dyfed-Powys Police said.

Officers say she is likely to be traveling "on foot" and wearing a fleece with a leaf design on it.

The force is concerned for her welfare" and appealing for anyone who may know her whereabouts to get in touch.

Anyone with information can call police on 101, quoting reference DP-20220226-221.