A man has been found seriously injured in a street in Greenock.
The man, believed to be in his 50s, was discovered lying outside flats on Mount Pleasant Street at about 17:25 on Sunday.
He was taken to Inverclyde Royal Hospital where he remains in a critical condition.
Police said they were treating the incident as attempted murder and inquires were continuing. They have appealed for witnesses.
Det Sgt Ally Semple from Police Scotland said: "Since the incident was reported to police, extensive inquiries have been carried out by officers to establish the circumstances surrounding this attempted murder.
"Officers are continuing to study CCTV footage in an effort to gather as much information on this incident as possible, and are carrying out inquiries in the local area.
"We have a particular interest in a man described as white, in his 30s, about 5ft 7ins, with a slim build. He was wearing blue jeans, a white T-shirt, white trainers and a navy or black hat. It is understood he was in the area when the attack took place."
