Emergency services were called to a home on Spilsby Place in The Gap about 8.40pm on Saturday, October 3, following reports of a knife attack. Queensland Police said a 16-year-old boy was arrested at the scene and is assisting with inquiries.
Two male teenagers were taken to hospital. A Queensland Ambulance Service spokesperson said one patient was transported to the Royal Brisbane and Women's Hospital in a stable condition with a face laceration. The other was taken to Queensland Children's Hospital in a stable condition with wounds to his face and arm.
"Investigations are ongoing," a Queensland Police Service spokeswoman said.
The incident occurred during a house party in the suburb about 10 kilometres north-west of Brisbane's CBD.