Four people were killed and several others injured in a violent stabbing attack in Rockford, Illinois, on Wednesday that left neighbors reeling.

Local police said one victim was in critical condition and several others were in stable condition after the suspect allegedly stabbed them, NBC News reported Wednesday.

The suspect in the case has been identified as 22-year-old Christian Soto who is expected to appear in court on Thursday afternoon.

Per the NBC report, the names of those killed have not yet been revealed.

However, the victims include a 15-year-old girl, a 63-year-old woman, a 49-year-old man, and a 22-year-old man.

Their causes of death and the causes of injury for the survivors remained unclear. According to Rockford Police Chief Carla Redd, not all of the victims were stabbed but none of them were shot.

CBS Chicago reported Thursday that seven individuals were hurt during the incident, noting the violent spree began as a home invasion.