CLEAN : Violent explosion rocks Danish tax office

The transcript describes a calm evening where the speakers were watching TV after putting their baby to bed. Suddenly, they heard a loud blast, which they initially thought was nearby. However, it turned out to be two kilometers away.

What were the people doing before the blast occurred?

Describe the atmosphere before the blast occurred.

How did the people react to the blast?

What was the initial assumption about the location of the blast?

What was the actual distance of the blast from the people?