I am having the same issue. I have been playing the game for several years now and just started a new account to do something different. I currently have three fire stations with three fire engines, one engine tanker, and one ladder truck. I began getting police missions interlaced with my fire missions even though I have no police stations. Now I have zero fire missions and four police missions with no way to mitigate them, as I have no police stations. Glad to see this isn't just a personal issue.
