Hit and run, 57 Freeway, Diamond Bar 7:19 a.m.

A motorist in a lime green Ford Mustang struck a motorcyclist and did not stop for the crash on the southbound 57 Freeway at the eastbound 60 Freeway. The CHP said the driver may have had a license plate number containing "4NLV". The motorist drove away in the carpool lane. Los Angeles County firefighters came to the scene to help the rider, who suffered injuries.