The Nuclear Security Summit opened in Washington on April 12 with the participation of leaders from 49 countries and international organisations worldwide.

The two-day summit is the largest gathering of countries hosted by the US since the founding conference of the United Nations in 1945.

On the sidelines of the summit, US President Barack Obama held a series of bilateral meetings with leaders of the participating nations while Vice President Joseph Biden met with officials from developing countries to discuss goals of the Non-Aligned Movement (NAM) as well as President Obama administration’s commitment on a nuclear weapon-free world.

As schedule, the US President will chair two plenary meetings focusing on governments’ measures to cope with the risk posed by un-secured nuclear materials.

The summit is aimed at reaching an agreement on controlling and preventing the danger of nuclear proliferation.

It will issue a joint communique on April 13 that confirms the serious threats caused by nuclear terrorism and supports for efforts to secure nuclear materials in the next four years as well as actions countries will carry out at both national and international levels.

The summit is one of the third important events on nuclear security over the past two weeks, including the signing of US-Russia Nuclear Deal and the White House’s announcement on the Nuclear Posture Review report./.