A school formal has ended in a brawl involving more than 100 people overnight at Sydney’s Darling Harbour.
Trouble erupted just after midnight at the northern end of the Darling Harbour precinct.
Police were told fighting broke out between 20 local youths and a group of 100 Year 11 students from a north shore high school who had just celebrated their formal on a harbour cruise.
Three of the students were taken to hospital with non-life-threatening injuries.
Police arrested seven teenage boys who they say are assisting them with their inquiries.