Police have arrested a 23-year-old man, who is in hospital with serious injuries, on suspicion of the murder of a woman whose body was discovered at a National Trust estate. Thames Valley police found the body in woodland on the Watlington Hill estate, Oxfordshire, just before 6pm on Friday. The victim was in her 60s and was known to the suspect, police added. The arrested man was detained after he was found “naked and bleeding” in the shower room of a nearby property, according to a neighbour. Sue Yerburgh told MailOnline: “I heard someone crashing through the undergrowth which is very unusual around here. He got into the next door house. They were in their swimming pool and found him in the shower room naked and bleeding.” A force spokesman said: “At around 5.53pm on Friday the body of a woman in her 60s was located in woodland in the Watlington Hill National Trust park. The woman’s next of kin have been informed and they are being supported by specially trained officers. However formal identification processes and a postmortem are yet to be carried out. “Officers from our Major Crime Unit launched a murder inquiry and officers located a 23-year-old man and he was arrested on suspicion of murder. He is currently being treated in hospital for serious injuries with his condition described as serious but stable.” Det Supt Craig Kirby said: “We believe that this was not a random attack and that the victim and the attacker were known to each other. The arrested man remains in the custody of police officers while he receives hospital treatment for serious injuries. I would continue to appeal for anyone with information around this incident no matter how insignificant it may seem to please come forward.”