At the summit, world leaders pledgedto set up an Indian Ocean early warning system and signed a declaration urging the UN to mobilise the international community for the relief effort.
It has announced a formal declaration of war on the South, and pledgedto reopen a mothballed nuclear reactor in defiance of UN Security Council resolutions.
North Korea has also announced a formal declaration of war on the South, and pledgedto reopen a mothballed nuclear reactor in defiance of UN Security Council resolutions.