Two more arrests over death of Ysbyty Cwm Cynon patient
Two more people have been arrested and bailed over the death of an 88-year-old woman at a south Wales hospital.
Tegwen Roderick, of Abercanaid, Merthyr Tydfil, suffered the injuries at Ysbyty Cwm Cynon in Mountain Ash last month and died six days later.
An inquest into her death has been opened and adjourned.
Two women, aged 58 and 62, were arrested on suspicion of assault and conspiring to pervert the course of justice on Thursday.
They have been bailed.
A 64-year-old man and a woman, 52, were arrested on suspicion of conspiring to pervert the course of justice last Tuesday.
Both have been bailed by South Wales Police pending further enquiries.
Ms Roderick's injuries were found at Ysbyty Cwm Cynon during what Cwm Taf University Health Board called routine patient care on Thursday, 29 May.
They were described by police as serious and she was transferred to Prince Charles Hospital in Merthyr Tydfil, but died six days later.
The exact nature of her injuries has not been revealed and have been described as unexplained by police.
The inquest into the death of Tegwen Roderick was today opened and adjourned until a pre-inquest review at 1300 on 30 September at Aberdare.
A spokeswoman for Cwm Taf University Health Board said: "We are unable to comment while the police investigation is ongoing but we continue to co-operate fully with South Wales Police."