A woman has been found dead in a flat in Cardiff Bay after concerned relatives alerted police when she didn't turn up to Gatwick Airport for a flight to Florida.
Christine James, 65, was discovered in a flat in Century Wharf days after she was due to travel.
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A 66-year-old man was arrested on suspicion of murder and after a court hearing on Saturday, South Wales Police was given more time to question him, the BBC reports.
Mrs James lived alone in the flat after moving from Cowbridge last year.
ITV News reports that she was last seen at the complex on Friday, February 26, and friends said they spoke to her earlier in the day.
Detective chief inspector Ceri Hughes said: "Mrs James' family are being supported by a family liaison officer at this extremely distressing time and a murder enquiry is under way to establish the circumstances leading to her death.
"Although one man has been arrested and remains in custody, we are still very much appealing for information and for witnesses to come forward.
"We would ask anyone who knows Christine or who noticed anyone acting suspiciously in the area to please contact us as they may have vital information that could assist our investigation."