A man has been arrested after he allegedly sexually assaulted a child in a toilet at a Sydney dance studio and stabbed another man who came to the girl's aid.
It's believed the 54-year-old man allegedly assaulted the seven-year-old girl in the studio's toilet.
A 46-year-old man is said to have confronted the alleged offender was stabbed in the abdomen and neck during a struggle.
Bystanders came to the injured man's aid and detained the alleged offender until police arrived.
The 46-year-old man was taken to St George Hospital in a stable condition. The girl was taken to Sydney Children's Hospital for observation.
The 54-year-old was arrested and taken to hospital with facial swelling and bruising. He remains under police guard and will be interviewed later on Friday.
Superintendent Julian Griffiths said the man was not a staff member or known to the dance studio.
"Investigators have not been able to identify he has any links to those commercial premises and it appears to be a random, isolated incident," he told reporters in Sydney.
