Man in critical condition after fight outside Ellenbrook pub on fight night

A man remains in a critical condition in Royal Perth Hospital after being knocked unconscious in a fight outside an Ellenbrook pub last night.

Police called to the disturbance about 10.30pm last night found ambulance officers treating a 37-year-old man in a Main Street carpark.

Midland detectives have called for witnesses to the incident outside The Brook Bar and Bistro, which like other venues had been screening the Danny Green-Anthony Mundine fight.

Anyone with information can call Crime Stoppers on 1800 333 000.