We're continuing to follow the breaking news of a shooting. At least five people have been injured or five casualties at Fort Stewart base in Georgia. Now the question turns to who did it and why. I want to bring in NBC News national law enforcement correspondent Tom Winter, retired ATF, retired ATF special agent in SNBC terrorism analyst Jim Kavanaaugh. On the phone is our senior national security correspondent Courtney QB. Uh let's set set the stage if we can Tom. What do we know at this hour? >> Sure. So ...

Good day. We are coming on the air with breaking news in Georgia where the US Army base at Fort Stewart says an active shooter situation is unfolding there. The Army base saying casualties have been reported.They say the situation is still ongoing. A lockdown has been put in place there with officials telling people to stay inside, close and lock all windows and doors. You can see that advisory, that alert on screen there.Our Jesse Kersh is tracking all of this. And Jesse, this is an all hands- on deck situ ...

FOLLOWING BREAKING NEWS OUT OF NORTHERN IDAHO RIGHT NOW. TWO ARE DEAD FOLLOWING A SHOOTING IN COEUR D'ALENE IN THE IDAHO PANHANDLE. LOCAL AUTHORITIES SAY MULTIPLE FIREFIGHTERS WERE REPORTEDLY SHOT WHILE RESPONDING TO A BRUSH FIRE.THERE IS AN HUNT FOR AN ACTIVE SHOOTER IN THE LAST HOUR, IDAHO GOVERNOR BRAD LITTLE SAID THE SHOOTING WAS, QUOTE, A HEINOUS DIRECT ASSAULT ON OUR BRAVE FIREFIGHTERS AND CALLS FOR THE PEOPLE OF IDAHO TO STAY CLEAR FROM THE AREA TO ALLOW LAW ENFORCEMENT AND FIREFIGHTERS TO DO THEIR J ...