The Israel-Iran conflict could have a spillover effect on the war in Ukraine. Russia's dependence on Iranian Shahed drones puts it in a bind.

Russia warned against efforts to force a regime change in Iran and said it would react “very negatively” if Iran’s Supreme Leader Ayatollah Khamenei were killed, raising concerns of a broader escalation in the Israel-Iran conflict as European leaders came together with Iran on Friday for a diplomatic meeting.

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.