A fifth person has died after suspected poisoning at Stepping Hill Hospital in Stockport.
The 60-year-old woman, reportedly Linda McDonagh, from Offerton, Stockport, passed away on January 14.
She was thought to have been among a number of patients who suffered hypoglycaemic episodes between June and July 2011 after being given contaminated saline.
Police have been investigating the deaths of four other patients in the long-running inquiry.
The latest victim was one of 21 patients believed to have been deliberately poisoned.
Another 21 cases of patients who suffered hypoglycaemic episodes are not being treated as suspicious.
A spokesman for Greater Manchester Police said: "We have been made aware of the death of a 60-year-old woman at Stepping Hill Hospital.
"The coroner has been made aware and further tests are ongoing. Read More