[In a matter of hours, the entire city was engulfed in flames, leaving dozens of survivors trapped underground. With no explanation for the catastrophe, the survivors struggled to adapt to their new reality. The flames continued to rage above, as they searched for a way out of the burning city.]

Write a short story based on the writing prompt. Challenge your writing abilities and see where your imagination takes you.  

Rules: No limit of how long. You can write anything, as long as it relates to the writing prompt.

Let others comment on your work and see what you can come up with.