Police in Ottawa say they have never seen anything like it before.

Two 15-year-old girls have been charged with human trafficking.

Police say that on three separate occasions, the girls are said to have lured three female victims to a residence for social reasons.

From there, its believed the victims were then driven to other locations for the purpose of prostitution.

The accused girls face several charges including human trafficking, robbery, forcible confinement, sexual assault and assault.

Police are still looking for a third female suspect they say is 17-years-old.