Detectives are investigating after three people were injured in a Tuesday night domestic violence assault.

Officers were called to the 11500 block of Stone Way North just after 10 pm for a report of a domestic violence assault involving a knife. When officers arrived they found three people injured, a 9-year-old, a 67-year-old woman, and a 27-year-old woman who is also believed to be the suspect. All three people were transported to Harborview Medical Center for treatment.

Detectives from the Domestic Violence Unit will be conducting all follow-up investigation.

This remains an active scene and details may change as the investigation continues.