Friday’s talks between European ministers and Iran’s top diplomat, which aimed at de-escalating the fighting between the two adversaries, failed to produce a breakthrough.

Arab Gulf states are lobbying the U.S. to rein in the fighting. Their concerns have grown in recent days with the possibility that the U.S. could join the Israeli attacks and persistent talk of regime change,

As the attacks by Iran and Israel continue into their sixth day, here's a look at what we know about the conflict, and if the US will deploy troops.