Hamas and the Houthis vow retaliation for U.S. strikes on Iran, as reaction from most world leaders focuses on dialogue and deescalation.

Iran has vowed a "decisive response" to a large-scale attack conducted by Israel against key sites and personnel associated with the Islamic Republic's nuclear program and military.

Across the U.S. Americans are expressing a mixture of support, apprehension and confoundment over President Donald Trump's decision to bomb nuclear sites in Iran