TWO people are in hospital, one critical and another under police guard, after a Muswellbrook man sustained a stab wound to his neck.
NSW Police were called to Brooke Street at Muswellbrook about 9.20pm after reports a 47-year-old man had suffered a stab wound.
He drove himself to Muswellbrook Hospital before he was moved to the John Hunter.
Police on Wednesday said he was in a critical but stable condition.
Hunter Valley Police District officers established a crime scene.
Inquiries led them to arrest a 53-year-old man at a Hunter Terrace address about 2am on Wednesday.
The 53-year-old was taken to Muswellbrook police station before he was shifted to the John Hunter for treatment.
Police said the man remains under police guard and the investigation continues.
