A residential fire atop a Walter Street home not far from Duboce Park has reached three-alarm status and the roof at 34 Walter appears to have given way.
Fire rigs and personnel are surging into the area; Our calls to the San Francisco Fire Department have not yet been returned.
The cause of the blaze, which was reported at about 1:30 this afternoon, is not yet known.
As of now, the fire has scorched the one home on Walter, has spread to another
, and is threatening more still.
Update, 2:40 p.m.: Both houses abutting 34 Walter have been "compromised," per Sylvia Rivera, a fire department EMT. One firefighter has received non-life-threatening injuries and the fire is not yet contained.
More as we know more.