(Horrific!) 5-FREEWAY CLOSED BOTH WAYS: "3 Killed, Several Injured in Suspected Street-Racing Crash on 5 Fwy in Commerce" | NBC Southern California

"...[racing car] lost
control and struck a UPS semi-truck.
The semi then collided into the center median and
became airborne, striking a gray Nissan sedan traveling
northbound. The semi sheared the roof of the Nissan
before landing on a red Ford Explorer that was traveling
northbound and bursting into flames. Debris from the
collision struck at least two other vehicles, officials said..."

http://www.nbclosangeles.com/news/local/2-Killed-Several-Injured-Big-Rig-Crashes-2-Vehicles-CHP-370360411.html