1.   And use a concrete or more fire-resistant center pole to keep the flaming bonfire from collapsing so quickly.

2.   Atop this framework are a number of roof rafters that come together at the peak of the roof, eliminating the need for a center pole.

3.   But students at the site when the logs came toppling down Thursday said they heard a loud pop and that the center pole had snapped.

4.   Center pole arrived at bonfire site.

5.   Construction crane reported to have hit bonfire crossties, which are attached to the center pole.

6.   Early speculation about the cause of the tragedy focused on a possible break of the center pole, a key design feature.

7.   Early speculation centered on the integrity of the so-called center pole, the largest log, which is steel-reinforced, in the middle of the structure.

8.   Her swing tethered to the center pole, Allison was jerked onto the top of the collapsing pile.

9.   Hill was atop the lowest level, tethered by ropes to the center pole when the stack fell.

10.   I hit the center pole and landed on the floor.