Answer:
The disbelief of a planned merciless attack on such large state buildings that day of carnage. became real, as conjured images of those entrapped and suffering, caught in-between floors were already visualised as trapped before a collapse or fire had engulfed or spread.
Feelings were on of belief and in the strengths of the fire and emergency rescue services that one way or another with community help, people were able to help others, including many that had already exited out of the building, and their stories and supporting their voice in memory of those that had died and the sadness of others saying they were able to say goodbye.