CLEAN : Eyewitnesses describe panic after Manchester bomb blast

The transcript describes a person's experience during a frightening incident initially thought to be a gas explosion but feared to be a terrorist attack. The night, which started positively, turned distressing as they witnessed families in panic. Despite the chaos, they managed to escape to safety, reflecting on the importance of being thankful.

What does the speaker express gratitude for despite the incident?

What was the speaker's reaction to seeing families crying and shaking?