(Mahoning Township, PA) State Troopers from the New Castle Barracks report that they were requested to investigate a stabbing and an officer involved shooting that occurred that 3839 West Main Street, Mahoning Township Lawrence County.  A stabbing was reported at approximately 8:45 pm on Saturday and required police response from multiple departments. Upon arrival, local officers encountered 34 year old Christopher Rush of New Castle, who was alleged to be responsible for stabbing several victims. Rush, while armed with a cutting instrument, proceeded to assault and injure a local police officer with the instrument. During the assault, another local officer discharged his weapon striking and killing Rush. Victims include a 15 year old,  61 year old Raymond Boyd, 37 year old Ethan Camp, and the 24 year old police officer.  Their conditions have not been reported. The incident is being actively investigated by the PA State Police New Castle Criminal Investigation Unit.