There were fires on several floors, at different times, in the area of the initiating event.
[the failure of core columns 79, 80 and/or 81]
Fires in east half of WTC 7
NIST Final-21
11:30 a.m. to 2:30 p.m.
Fire on floor 12, moved toward the east face
2:30 p.m. to 3:00 p.m.
Fire on floors 11 and 12 moved to east face and progressed to the north

NIST L-24
Around 3 p.m., fires were observed on Floors 7 and 12 along the north face.


Some time later, fires were observed on Floors 8 and 13, with the fire on Floor 8
moving from west to east and the fire on Floor 13 moving from east to west.

NIST L-26
The fire on Floor 8 continued to move east on the north face, eventually reaching the
northeast corner and moving to the east face.
Around 4:45 p.m., a photograph showed fires Floors 7, 8*, 9, and 11 near the middle of the north face;
Floor 12 was burned out by this time.
*The fire on floor 8 had already burned that part out.
A core column, weighing over 4 tons per floor, would have to be uniformly heated to about 1,000 F,
and 2 or 3 floors would have to collapse all around that column, before it could break at 3 splice joints and buckle.
There is no evidence that the initiating event was caused by fire.
There was no debris damage to or near the area of the initiating event.
That's the evidence.
Debris damage to the other end of the building,
and fires that a burned on a few floors, for a few hours, at different times, in the area where the collapse began.