Police were called to the Great Northern Hotel, Byron Bay, on Saturday night (March 25) after angry would-be patrons attacked security guards.
Police that say when they arrived at about 11pm, 100 people were gathered on the footpath outside the hotel, with three being detained by security guards.
CCTV footage revealed that a woman aged about 25, who had been refused entry for being drunk, argued with security staff before running into the hotel.
She was removed but when back outside began to kick and punch security staff.
Police say a number of her friends both male and female also became involved in the brawl.
One of the females bit a security guard causing a substantial injury to his arm.
A number of other persons not related to the woman also became involved by hindering police and security.
Police Inspector Bobbie Cullen said ‘Due to the numbers of people involved it was a very dangerous situation.’
Four people were arrested by and taken to Byron Bay Police Station, where they were charged with failing to quit licenced premises, assault occasioning actual bodily harm and hindering police.