A MIDNIGHT glassing in Northbridge has caused a man to undergo surgery on his neck with the offender still on the run.
Police said a 26-year-old man was on the dance floor of a Telethon Avenue pub on August 31 when he became involved in an physical altercation just after midnight.
Another man on the dance floor struck the 26-year-old with what police believed to be glass.
Police said the victim received a large laceration injury on his face and neck and was taken to Royal Perth Hospital for a surgery on his 20 cm wound, requiring 30 stitches.
The other man left the scene immediately after the incident.
Detectives are investigating the circumstances and urged anyone with information to call Crime Stoppers on 1800 333 000 or report online at crimestopperswa.com.au.