Murder suspects released as Hexthorpe Park death was 'heart attack'
Two teenagers arrested on suspicion of murder have been released after tests showed a man found collapsed in a Doncaster park died of a heart attack.
The 17-year-old boy and 18-year-old woman were arrested after the 65-year-old was found in Hexthorpe Park in the early hours of Tuesday.
South Yorkshire Police said they were released following a post-mortem.
Tests and enquiries are continuing to ascertain the full circumstances of his death, the force said.
Emergency services were called to Hexthorpe Park at about 04:40 BST.
The man was taken to hospital but died a short time later, police said.