Have Israel, the US and Iran violated international law?

Civilian targets have been struck by all three warring parties.

Schools and hospitals bombed; strikes on apartment buildings; energy facilities targeted and attacks on neighbouring states.

Have Israel, the United States and Iran broken international law in the war? Or what legal justification might they claim?

Geoffrey Nice – Human rights lawyer and former International Criminal Court prosecutor

Brian Finucane – Senior adviser with the US programme at the International Crisis Group and former legal adviser at the US State Department

Nicholas Tsagourias – Professor of international law at the University of Sheffield