San Francisco firefighters battle 2-alarm fire burning in Cole Valley

Flames damaged at least two houses along Clayton Street in Ashbury Heights.

Officials believe the fire started in a lightwell between the two houses at around 8:30 p.m. Monday evening.

Firefighters are still looking for what sparked the fire.

Nobody was hurt.

(Copyright 2018 by Bay City News, Inc. Republication, re-transmission or reuse without the express written consent of Bay City News, Inc. Is prohibited.)