Aftermath of clashes at police station, building wreckage after fire

What is the significance of the word 'So' in the context of the text?

How does the duration of 270 seconds relate to the content of the text?

What can be inferred about the speaker's intent with the statement 'So.'?

Discuss the possible emotions or reactions that the word 'So' might evoke in a listener.

In what contexts might the word 'So' be used effectively in communication?