CNN CNN Newsroom August 2, 2013 17:05:00
Potential attack. they are really closing up. americans have to be very aware that's happening. they also have to be ware of their surroundings. after all the state department points out there's been attacks in transportation systems and other places. then finally, urging people to look on the website of the state department. you can register and get updated information. >> i imagine the add mfrgs very much aware and trying to alert people as quickly as possible because there's a threat here. they want people to know. >> that's right. the vice president himself was here on capital hill earlier...