a very fluid situation. not sure what many of that means but a heavy presence here at the navy yard. there is police in tactical gear down here. the mobile command center is set up down the street here. this is heading south towards another entrance of the navy yard where we know now there have been multiple victims of the shooting. you heard the hospital spokesperson confirm there were fatalities here. not sure of the number but the shooting took place in the naval sea systems command building, building number 197 where there was one shooter confirmed. the disposition of that shooter, we are not clear yet. we were told a short time ago that's it is a fluid, active scene. ings as the choppers were still swarming, tactical ambulances come from the navy yard heading south that way towards another direction, basically south on route 295. so not quite sure what that