At approximately 0131, LAFD and CHP responded to reports of a traffic accident on the NB5 at the 118. It was originally reported that the occupants of one vehicle that was involved in the crash were not moving. Arriving units found a 3 vehicle crash, with two vehicles with major damage. The vehicles and a large debris field were strewn across all the lanes of the freeway. One person was transported to the hospital in serious condition, one person was transported in fair condition and the rest of the victims were evaluated by paramedics, but declined transportation to the hospital. . The cause of the crash is unknown. One vehicle got hit so hard that the rear end of the vehicle was nearly in the backseat. CHP shut all the lanes of the NB5 down for about 30 minutes, causing a traffic backup. CHP is handling the investigation.