this is keith armstrong speaking right now.gram for student affairs, health, and for veterans affairs. we will have full coverage, and have full coverage on ktvu.com and on ktvu plus. >> every year, individual contributions slowly and effortlessly build into the larger story. >>> san francisco fire officials say a huge building fire in north beach appears to have been accidental. officials say it may have started in the chimney flue of a thai restaurant. before the fire was extinguished, an official, aaron peskin, was calling for the city's fire chief to step down. rob roth spoke with the chief about that today. >> i will not resign. >> reporter: that was the response from joanne hayes- white. it follows supervisor erin peskin called for her to resign after a fire erupted in a building friday night. on saturday, when the fire was still roaring, the chief appeared irritated. >> he was not happy with our performance. i vehemently disagree. >> reporter: now, two days later, she calls peskin's behavior disruptive. >> one of the thi