Five Cities Fire Authority and Cal Fire crews made quick work of a rubbish fire in Grover Beach last night. At around 5:45, firefighters responded to a report of a fire near the railroad tracks at the intersection of Newport Avenue and Front Street in Grover Beach. Authorities say the fire was not associated with any train cars, but did force the temporary closure of the tracks until the scene was cleared. An investigation into the cause of the fire is underway.