At approximately 0255, LAFD and LAPD responded to reports of a stabbing at Magnolia & Tujunga. Arriving units found a male victim down in the park with stab wounds, in traumatic cardiac arrest. LAFD Paramedics performed CPR on the victim for about 30 minutes before transporting the victim to a local hospital in grave condition, with CPR still in progress. The victim died on the way to the hospital. The suspect was last seen fleeing the scene riding a bicycle. LAPD Valley Bureau Homicide Detectives are handling the incident.