Dennis Van Tine/STAR MAX/IPx via AP New York City Mayor Bill de Blasio announced on Tuesday that he may issue a "shelter in place order" for the city within the next 48 hours. "All New Yorkers, even though a decision has not been made by the city or the state, I think that all New Yorkers should be prepared right now for the possibility of a shelter-in-place order," de Blasio said.