South Wales Police say the 51-year-old man who collapsed in a Pontypridd supermarket on Wednesday is no longer believed to have been the victim of a crime.
He has now been released from hospital, but faces further questions from officers.
Police in Pontypridd are currently dealing with an incident which occurred at around 12:30pm in the area of Taff Street, Pontypridd.
Officers temporarily closed Sardis Road so that a man could be taken by air ambulance to the University Hospital of Wales.The circumstances surrounding this incident are under investigation but early indications suggest he was assaulted.
It is unknown at this stage how serious his injuries are.
Anyone who was in the area at that time who may have seen anything suspicious is urged to contact police via 101 or they can call Crimestoppers anonymously on 0800 555 111.
Rain clipping the far north through the evening but elsewhere staying dry with some sunny spells.
Public Health Wales figures show 25 more cases of the virus have also been confirmed.
Photos taken on Saturday morning show Roald Dahl Plass strewn with empty beer bottles and discarded canisters of laughing gas.