A man has been charged in relation to an alleged assault which occurred at Belmont North last month.

Just before 9.30am on Sunday 15 May 2016, police and emergency services attended Green Street following reports a 26-year-old man was unconscious with head injuries.

The man was taken by NSW Ambulance Paramedics to John Hunter Hospital in a serious condition.

Police from Lake Macquarie Local Area Command established a crime scene and commenced investigations into the incident.

On Tuesday (14 June 2016), a 23-year-old man was arrested on unrelated matters.

Following further inquiries, he was charged with wound person with intent to cause grievous bodily harm.

He was also charged common assault (DV) and intimidation for an alleged separate incident.

The man was refused bail to appear before Newcastle Local Court today (Wednesday 15 June 2016).