"Fire!" someone screams. Audience members shriek and cover their heads, some scrambling up and jostling one another in a disorganized attempt to get out from under the burning canvas. The flames are licking the canvas, rising higher as you watch, and inspiring even more panic in the milling crowd.
The director and several stagehands are out onstage, pointing up toward the comet and apparently arguing about how to stop the conflagration it's created. Down your row of the audience, a city guard with bright red hair leaps up and begins calling for calm.