The restaurant has been cited in the past for rodent problems.
I can't really do the video justice with a description, so, if you've got a strong stomach, watch the video.
UPDATE: The restaurant has been closed until the rat problem, and any other health code violations, are solved (see 2nd video below).
Watch the rats (Fox 5 New York):
Watch Yum! Brands' response (parent company of Taco Bell & KFC):