Created: 06/22/2014 3:57 PM
By: Kristen Garcia, KOB.com
U.S. 550 westbound was closed for several hours Sunday due to a fatal vehicle crash near Santa Ana Casino.
Police say for some unknown reasons 34-year-old Fredrick Christensen drove into oncoming traffic, crashing into several vehicles. Christensen was pronounced dead at the scene.
The driver and passenger of one of the involved vehicles were transported by EMS to area hospitals with non-life-threatening injuries.
At this time it is unknown if alcohol or drugs were a contributing factor in the crash.