Southern California police are searching for a motorcyclist who was involved in an alleged road rage incident that injured one person on Wednesday. Around 5:45 a.m., witnesses driving southbound on State Road 14 near Newhall Avenue in Santa Clarita, California, filmed an altercation between the motorcyclist and the driver of a silver sedan, according to California Highway Patrol Public Information Officer Joshua Greengard. In the video, the motorcyclist appears to try to kick the sedan on the right. In response, the sedan veers to the left and briefly collides with the motorcyclist before losing control and crashing into the highway divider wall....