Two-car crash on Walnut Canyon at Championship

As discussed during the dispatch call, radio traffic indicates an apparent multi-vehicle traffic collision near Walnut Canyon Road and Championship Drive, with units responding code three and requesting help from highway patrol to shut down Folsom Canyon in at least one direction for traffic control. A separate call mentions a disturbance at a residence on Sylvan Drive where a roommate reportedly assaulted the reporting party’s boyfriend, who appears to have a broken nose but is not asking for medical help, and the roommate may have left in a black Chrysler.