Prime Minister Najib and President Barack Obama met just before the Nuclear Security Summit in Washington on 12 April 2010.

President Hu joined us at the Nuclear Security Summit - in January, we signed the memorandum of understanding to build a center for excellence to promote nuclear security in China.

U.S. President Obama, who proposed the Nuclear Security Summit in his April 2009 Prague speech, invited 47 heads of states and three representatives of international organizations.

The hosting of the Nuclear Security Summit on the Korean peninsula will be highly significant given its implications within the context of denuclearization.

In the 2009 L'Aquila Summit held in Italy Obama formally announced his plan to host a Global Nuclear Security Summit in March 2010 for this purpose.

Angela Merkel, Chancellor of Germany was forced to make a "surprise" visit to Portugal as she returned from the Nuclear Security Summit in Washington DC.

Announced a strategy to address the international nuclear threat and convened a Nuclear Security Summit that that took concrete steps toward securing nuclear material worldwide.

The conference was held just days after a Nuclear Security Summit was held in Washington, D.C. on April 12-14 over the security of "vulnerable nuclear material."

Obama held the Nuclear Security Summit in an aim to reach an international consensus against Iran; however, his efforts were of no avail.

In 2012, he represented the UAE in the Nuclear Security Summit (2012) hosted by South Korea.