question its authenticity. carol? frederik pleitgen reporting live for us this morning. all right, we don t have much information about this but it certainly seems disturbing. you re looking at live pictures from fort nee off the bw parkway near washington, d.c. this is where the nsa is located, that s the spy agency as you know all of this is coming from our local affiliate in washington wjla. police are investigating this incident at fort meade. this is from news chopper 7. it shows police officers and damaged vehicles but the exact cause of the police investigation is still unclear. there was a tweet from county police that initially reference add report of a shooting. cnn cannot confirm that at this time and no further details about this incident have been released. but, of course you can see this is a very serious incident. it s the nation s spy agency.