A man has undergone treatment in hospital after being attacked with a beer glass in Singleton.
The 35-year-old man was drinking at a Singleton hotel about 9.20pm last night when another man walked up to him and struck him to the side of the head with a schooner glass.
The offender then left the scene.
Police from Hunter Valley Local Area Command attended the pub and conducted inquiries.
Officers spoke with several witnesses and seized a number of items for forensic examination.
The victim sustained serious injuries to his face and left eye and was treated at Singleton Hospital.
Inquiries into the incident are continuing.
Anyone with information about the glassing incident is urged to contact Singleton Police Station or Crime Stoppers on 1800 333 000.