Anyone ever had issues with ants in a bathroom?

My neighbor had 3 trees cut down last week. Ever since that afternoon I've had a terrible problem with ants in the bathroom that is right beside her house. I wonder if cutting down the trees somehow disturbed the ant beds.

I've sprayed in there so I now see dead ants every day, but I can't figure out how they're getting in and why. I don't see a trail near the window.