"Rita’s family would be extremely grateful for any information that can be offered, and would like to request privacy at this difficult time.".
Rita's devastated family have paid tribute in a statement released through Sussex Police.
A woman, 39, was arrested on suspicion of murder, police confirmed on Thursday.
A 48-year-old man, from Bexhill, has been arrested on suspicion of murder and remains in police custody.
Rita Lambourne was knifed inside her own Bexhill home, in East Sussex, at around 10pm on Wednesday.
