Then stay away from windows and (don't know what type of building you're in now) exterior walls. Rather than satisfying any curiosity about what's going on outside by peeking out a window, watch it on your TV. "Shelter-in-place," as Michael Chertoff would say.
Also, my condolences to you and your family on the loss of your grandmother.
Where is Chertoff? Just a State Dept. condolences for the innocent lives lost.
Their statement was inadequate. Lame duck season it appears.