The US' attack on Iran on Saturday (local time) raised fears of a larger conflict in the Middle-East. It drew the world's reaction as United Nations Secretary-General Antonio Guterres said the US strike on Iran “is a dangerous escalation in a region already on the edge.

“If the Middle East is unstable, the world will not be at peace,” Chinese President Xi Jinping said Thursday. “If the conflict escalates further, not only will the conflicting parties suffer greater losses, but regional countries will also suffer greatly.”

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.