Alcohol and/or drugs were not a factor, police said.
One person was killed Friday after a vehicle struck a tree and caught on fire.
Homicide detectives Friday investigated the circumstances surrounding the shooting death of a 19-year-old man in South El Monte.
A 10-year-old female pedestrian was fatally struck by a vehicle in Adelanto Saturday evening.
A 20-year-old man suspected in a hit-and-run crash in Irvine that left a woman dead and three people injured has been arrested in Costa Mesa, police said Thursday.
Deputies Monday were on the scene of a deadly traffic collision.
The crash occurred at 2:43 a.m. on the eastbound Pomona (60) Freeway.
Officials said the suspect initially escaped to Mexico but returned to the Southland after his family and attorney urged him to come back and face the charges.
Crews Monday were on the scene of a fatal traffic collision in West Hollywood.
Paramedics rushed the man to UCI Medical Center, where he was later declared dead.
The crash was reported about 2 p.m. at the intersection of East Avenue K and 90th Street East.
A teenager was killed Monday night while attempting to cross the 91 Freeway in Riverside.
Pederson, along with two other skateboarders and a van driver were “hill bombing” — a daredevil practice of skateboarding on curvy, winding roads.
A pedestrian was fatally struck Monday on the northbound 5 Freeway in East Los Angeles, officials said.
The Toyota driver was ejected from the vehicle and fatally injured.