Police are investigating the circumstances regarding a man being discovered with head injuries at a secluded rural beauty spot in east Cornwall.
Police were called to a car park at Kit Hill, Callington, at around 9.30 pm yesterday, Thursday 26 March.
A 22-year-old man from Plymouth was found unconscious with a significant head injury.
He was taken to Derriford Hospital where his condition is described as critical.
A 37-year-old man was also taken to Derriford where he is being treated for multiple injuries which are considered life-changing, possibly life-threatening.
A 29-year-old man from Gunnislake has been arrested on suspicion of grievous bodily harm.
It is not known at this time if any persons involved have Covid-19.
Any witnesses or anyone with any information is asked to contact police on 101 quoting crime reference number CR/025664/20.