Police were called to a property in Pontypridd yesterday morning.
A murder investigation has started after the death of a woman in Pontypridd.
Police were called to a property in Llys Graig Y Wion at around 08:10am yesterday.
A 37 year old man has been arrested.
There was a significant police presence, including armed officers, at several scenes in the area during Sunday and Police would like to thank local residents for their cooperation.
Senior Investigating Officer DCI Darren George, of the Major Crime Investigation Team, said: "At this moment in time we are not currently looking for anybody else in connection with this matter and I would like to thank the local community for their patience throughout today (Sunday)."
We would ask anyone with information on this incident to call 101 or Crimestoppers on 0800 555 111 quoting occurrence 1900369431.