I'm on a 'humanity heck yeah' kick. Does anyone know of any non-conversion bureau stories that have the ponies being antagonistic toward humans, and posing a potential threat to our world?

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https://www.fimfiction.net/story/395715/the-murder-of-elrod-jameson

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https://www.fimfiction.net/group/202027/the-all-american-girl-saga
17 stories, a good million words in. Knock yourself out. The first story to read is this one: https://www.fimfiction.net/story/25148/all-american-girl