The San Francisco Fire Department handled two e-bike fires in consecutive days this weekend. (Benjamin Fanjoy/S.F. Chronicle) For the second time in two days, San Francisco firefighters raced to the scene of an e-bike fire in a residential building. On Sunday night, the San Francisco Fire Department said units had responded to a blaze at a residential hotel on Post Street, just west of Union Square and found an "e-bike on fire." Three people were assessed for medical issues and released.