Dyfed Powys Police have arrested a 28-year-old man on suspicion of murder, following the discovery of a woman's body at a home in Carmarthen.
Police were called to the address at Maes Yr Ysgol at approximately 10:50am on Christmas Day, where the 37-year-old woman was found.
Anyone who was in the area between 5pm on Christmas Eve and 11am on Christmas Day is asked to contact police, said a spokesperson.
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There will be a number of road closures in place in Cardiff today as the British Speedway Grand Prix returns to the Welsh Capital.
Today will be a day of often heavy showers, with the risk of hail and thunder.
Heavy rain and strong winds will clear eastwards through this evening. However, scattered heavy showers will return in the southwest later.