The Cough
by Ebon Mane
http://www.fimfiction.net/story/546/the-cough

The mane six take shelter in a place that is, for now, safe from a disaster occurring outside.
This gruesome tale of violence and death is not recommended for colts, fillies, or the faint of heart.

My channel:
http://www.youtube.com/user/TheEnderBrony