Electrical Accident Caused Blaze That Killed 2 San Francisco Firefighters

SAN FRANCISCO (CBS 5) — Investigators have determined the cause of a house fire that killed two San Francisco firefighters was accidental in nature.

SFFD Lt. Mindy Talmadge told CBS 5 on Thursday that while the full investigation report was not yet completed, some type of electrical problem ignited the blaze that turned deadly when some firefighters were caught in a “flashover.”

>> Photo Gallery: Firefighters Killed in SF Blaze

A “flashover” is a surge of searing flame when everything in a room ignites at once, causing the room’s contents to explode.

Word of the deadly fire’s cause came just a day before a memorial was scheduled for veteran firefighters Vincent Perez and Anthony “Tony” Valerio.

The service was set to be held Friday afternoon at St. Mary’s Cathedral in San Francisco. The fire department was expecting thousands of firefighters from around California and other states to attend.

The 48-year-old Perez died a week ago Thursday while fighting the fire at 133 Berkeley Way in the city’s Diamond Heights neighborhood. The 53-year-old Valerio succumbed to his injuries on Saturday at San Francisco General Hospital.

Both men were San Francisco natives assigned to the same engine company.

Valerio and Perez were the first San Francisco firefighters killed in the line of duty in nearly a decade.

According to San Francisco Chronicle newspaper archives, the last time San Francisco lost more than one firefighter to the same fire was in 1946.

(Copyright 2011 by CBS San Francisco. All Rights Reserved.)

  • 'Yeahhh, Sure!'

    The electrician/electricians or code inspector/inspectors is to be blame. ‘Accidental by nature… Ha!!!

  • unknown

    only in SanFrancisco where any and everything goes pot heads chop chop add on stack cars OH PARDON ME 30 plus gallons of gas 100 people in a two bedroom house well it is not funny it is sad nothing will ever bring back those men who gave so much wake up CODE ENFORCERS

  • http://sanfrancisco.cbslocal.com/2011/06/10/funeral-for-fallen-firefighters-draws-thousands-to-san-francisco/ Funeral For Fallen Firefighters Draws Thousands To San Francisco « CBS San Francisco

    […] said the initial fire that day appeared to have been sparked by something electrical, but its exact cause remained under […]

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