BBC defence and diplomatic correspondent Jonathan Marcus answers your questions about what this action means.
How likely is this to escalate to WW3? - Lewis Alcott
While some have described the killing of Soleimani as "a declaration of war" by the United States against Iran, it is important both not to overstate nor to understate the significance of the moment. ³²ÀÚ¸íǰ·¹Çø®Ä«=³²ÀÚ¸íǰ·¹Çø®Ä«
This will not prompt World War Three. The key actors who might be involved in such a conflict, for example Russia and China, are not significant players in this drama.
Iran's response might be against US military interests in the region but equally it could be against any US-related target that Iran thinks vulnerable.