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.

Ryabkov warned the U.S. against direct military assistance to Israel or even considering such "speculative options," according to Russia's Interfax news agency. "This would be a step that would radically destabilise the entire situation," it cited him as saying.

As Iran stands battered, and likely stands on the verge of defeat, in the war with Israel, Russia and China are anxiously watching the collapse of their principal ally in West Asia. Even if Iran survives,