"We have to assume that this action puts us in the de facto state of war," Mayor of New York City, Bill de Blasio, tells reporters, after a US strike kills top Iranian commander Qasem Soleimani in Baghdad. De Blasio says the city will "take whatever steps" to protect New Yorkers, explaining there’s a "world of difference" between dealing with Al-Qaeda or ISIS, and dealing with Iran, a state actor.