Washington: United States President Barack Obama has urged world leaders to do more to safeguard vulnerable nuclear facilities to prevent madmen from getting nuclear weapon.
Speaking at a nuclear security summit in Washington, Obama said the world faced a persistent and evolving threat of nuclear terrorism despite progress in reducing such risks.
He said Islamic State militants obtaining a nuclear weapon is one of the greatest threats to global security.
Obama said 102 countries had ratified an amendment to a nuclear security treaty that would tighten protections against nuclear theft and smuggling.
He acknowledged that with roughly 2,000 tons of nuclear material stored around the world not all of this is properly secured.
At the summit, world leaders expressed concern about North Korea’s nuclear weapons programme.
The leaders reaffirmed their commitment to fight nuclear proliferation.
More than fifty nations were represented at the summit
Meanwhile, the White House announced progress by Argentina, Indonesia, Germany and Japan in reducing their supplies of highly enriched uranium, which can be used to make a nuclear weapon.
According to White House report, the United States has also reduced its own stockpiles of highly enriched uranium that could be used to make a nuclear weapon.