A man has been remanded in custody and a second man was taken to hospital following an incident in Grimston on Friday evening.
Police were called to an address in Church Close at around 6pm following reports of a disturbance.
A man in his 30s was found with a serious head injury and was taken to the Queen Elizabeth Hospital where his condition was said to be serious yesterday.
Marcus Pidgeon, 24, of Chapel Road, Pott Row, was arrested and charged with causing grievous bodily harm with intent in connection with the incident.
He appeared before Lynn magistrates yesterday, where he was remanded in custody to appear before Norwich Crown Court on September 30.