A FOURTH man has been arrested after a man was left fighting for his life after an alleged assault.

Paramedics and police were called to a property in Formby Close in Blackburn at 2.15pm yesterday where the 51-year-old man was found unconscious and with severe head injuries.

He was taken to Royal Blackburn Hospital for a brain scan and transf-erred to Royal Preston Hospital due to the severity of his injuries.

Two men, aged 47 and 37, and a 39-year-old woman, all from Blackburn, were arrested in relation to a suspected assault and are in custody. A 29-year-old man from Blackburn was arrested in Blackpool earlier today. He is in custody awaiting questioning.