Four people are injured and four others are in custody after a stabbing incident in the Jane Street and Lawrence Avenue.

Toronto police say they were called to the intersection of Rosemount Avenue and Joseph Street just after 8:30 p.m. by a frantic woman reporting that her boyfriend was stabbed. 

Multiple ambulances were sent to the scene where police say a group of people were fighting, but they have not treated any victims as yet. 

The victims' identities are not yet known but police say serious injuries occurred.