Blackpool Victoria Hospital poisoning probe: Two bailed
Two health workers arrested on suspicion of administering poison or a noxious substance to patients at a hospital have been bailed.
The man and a woman were held after concerns were raised about some patients at Blackpool Victoria's stroke unit in November, police said.
Both are due to answer bail on 8 January, Lancashire Police said.
Another healthcare professional was arrested last month and bailed. All three have been suspended from duty.
Lancashire Police have said a number of post-mortem examinations have been carried out as part of the investigation.