It's a bit difficult to hold a phone conversation over the shriek of an alarm siren - suggest you hang up.

Our first Fire Drill today.
Of course, some people thought it was voluntary and ignored staff wearing decorative reflective bibs. Others decided to head for the furthest exit rather than the closest (because that's where their mates are). All the First Aiders assembled - without their equipment bags.
We still got a way to go.