The rockin' ammonia and the boogie-woogie flu

And this just in from the local freesheet*:

Clawson Code Enforcement Officer Barbara Chambers, who previously held the same position with Royal Oak, said peppermint and pneumonia — both of which can be applied through gels or liquids as an invisible fence of sorts — drive rats away, but simply cause them to relocate into neighboring yards.

Sad to say, it's been corrected online:

.... peppermint and ammonia — both of which can be applied through gels or liquids as an invisible fence of sorts — drive rats away

* Spotted by Language Czarina. Further ammonia information can be found here.