In the following 9/11 network footage, ABC television captures white smoke beginning to emerge from the base of WTC 2 within moments of its ... all » collapse.

A fuller view of this smoke is recorded by NBC television during this same time. A smoke-free region quickly fills with smoke, followed quickly by WTC 2's collapse.

Demolition device use at the base of these buildings cannot be entirely ruled out until such time that this smoke, which only appeared just prior to WTC 2's collapse, can be explained.