June 12, 2012 (El Cajon) 9:35 a.m. – Power remains out in parts of El Cajon following a transformer fire this morning. Heartland Fire & Rescue crews in El Cajon responded to reports of a transformer fire in the 200 block of Lincoln Avenue in El Cajon. As crews arrived, they found not only the transformer fire, but downed power lines and a resulting vehicle fire.