(AP) — Baton Rouge officials are warning people not to worry if they see smoke and pyrotechnics around a local city park and a local intersection.Those are special effects tied to filming for the big-budget science fiction film “Battle: Los Angeles.”The movie’s filming will shut down several roads around town through Saturday. Residents in those nearby neighborhoods are getting warning notifications that traffic flow might be disrupted during the work.”Battle: Los Angeles” stars actor Aaron Eckhart, who also was seen in “The Dark Knight” and “No Reservations.” The movie is scheduled for release in 2011.