A 13 year-old girl has been rushed to hospital with stab wounds to the neck.
Her injuries are non-life threatening.
Police say the call came in just after 4, Tuesday afternoon at 88 Broadway Avenue, near Yonge and Eglinton.
Officers arrested a 50 year-old man in connection with the incident.
The victim and suspect are said to be known to each other but Police would not elaborate as their investigation continues.
The man has been charged with aggravated assault and is scheduled to appear in court on Wednesday.