EntertainmentExtraBat Signal Lights Up Gotham's NightBat Signal Lights Up Gotham's NightThe Associated PressA group calling itself "Citizens for Batman" followed online clues Tuesday night to a spot in Manhattan, where they were surprised by a Bat Signal lighting up Manhattan's historic Woolworth Building. (July 10)[Notes:ANCHOR VOICE] [Notes:Movie clip, courtesy: Warner Bros. Pictures]The new Batman flick doesn't open for more than a week ... still, on Tuesday hundreds of Gotham city residents -- calling themselves Citizens for Batman -- gathered in downtown New York City.And then, at 10pm sharp, they saw it -- the bat signal.They didn't know what was coming. All they knew was that online clues sent them to the site.Fan SOT"I don't know what to expect, but I'm out here to defend our city and get this stuff back in order."Fan SOTMy buddy right here -- Charlie? He goes on the Internet and all that and he was doing all the contests and what not, the Web site stuff, from day one.Fan SOTOh man, I've been keeping up with the news on Gotham lately and it's just driving me crazy what they're trying to do to Batman. So I'm keeping my eyes out for him, trying to protect him.The Dark Knight opens in theaters July 17.Lauri Neff, The Associated Press.