I took aim again, only for her to knock me over, sending my revolver skittering across the dirt towards Siren. With a moment of hesitation, Siren reached down to grab the gun, as I tried to fend off the mare brandishing a knife in her teeth. I saw Siren trying to aim at the mare, but at that second the stallion from earlier crossed into view and loomed over her. She tried to change her aim but the stallion was quicker, grabbing her and slamming her against a mostly-intact wall of a wagon.

The story is here if you are interested: https://www.fimfiction.net/story/397060/fallout-equestria-broken-oaths