the police commissioner ray kelly there in the background. our alisons going to have a live interview with hillary clinton and rudy giuliani coming up this hour so stay with us for that. you can see members, obviously, of the new york police department and fire department that responded on that horrible day. >>> just days before the tenth anniversary of the 9/11 terror attacks, u.s. intelligence officials have now uncovered a new terror threat. a senior administration official calls it specific, credible, bun unconfirmed threat. it's believed to involve three people and explosives. washington and new york cited as possible targets. barbara starr is working hr her sources at the pentagon. if you live in d.c. or new york, do you stay home this weekend? >> reporter: government officials say no. . go about your daily lives. be vigilant and keep an eye out and isn't what they have said to us the last ten years, very sadly? that is what life has become. you might ask yourself, kyra, what is really different about this threat that they are looking into? and of