A man has been arrested on suspicion of murdering an 89-year-old woman at her Denbighshire home.
Florence Habesch was found when police were called to her property in Grange Road, Rhyl, at 0251 GMT on Tuesday.
North Wales Police said a 47-year-old man was arrested in Wolverhampton after a joint operation with the West Midlands force.
Police believe Ms Habesch may have been killed on Sunday, 6 February. A post-mortem examination is taking place.
It is being conducted by Home Office pathologist Brian Rogers at Ysbyty Glan Clwyd in Bodelwyddan.
Earlier on Tuesday, a second house in nearby Brighton Road was being examined by police.
A police family liaison officer has been appointed to support Ms Habesch' family.
North Wales Police are continuing searches and house-to-house inquiries.
Detective Superintendent Wayne Jones, leading the investigation, said: "We offer our sincere condolences to the family at this difficult time."
Anyone who may have been in Grange Road on Sunday, and noticed anything suspicious, to call 101 (if in Wales), 0845 6071001 (Welsh language line), or 0845 6071002 (English).