Three members of Kefu's family were also injured in the attack and all four were rushed to Princess Alexandra Hospital.
Channel 7 reports that Kefu was stabbed in the stomach after the family confronted the men and a brawl erupted.
Kefu sustained an abdominal wound, while a man in his 20s, suffered lacerations to his abdomen and back, a woman in her 40s received an arm injury and a teenage girl sustained a hand injury.
It's understood Kefu's wife, son and daughter were injured.
