Gunfire is not anything new during the filming of some music videos.But Sunday night during the  filming of a clip for "Live it Up" J-Lo and Pitbull had to be removed from the set in Fort Lauderdale, Florida after gunshots were heard nearby. Miss Lopez was secured in her car as police  were called to investigate the incident in a parking lot just north of the set. According to sources no evidence of a shooting was found and there were no witnesses,no reported injuries and no further information.