Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. US Cites Slow Progress on Nuclear Security, More Work Remains by Pamela Dockins U.S. President Barack Obama says that in the wake of attacks in Brussels and elsewhere, there is "not only great urgency around the nuclear issue, but eliminating generally the scourge of terrorism." The president will speak Friday at the end of the second and final day of the [1]Nuclear Security Summit. He is expected to highlight the Iran nuclear deal as an example of progress toward denuclearization. Obama's fourth and final nuclear summit comes at a time of heightened concern about the possibility that Islamic State militants could set off radioactive bombs, and also about North Korea's nuclear weapons development. As world leaders - some of whom are from countries directly impacted by terrorist attacks - were arriving in Washington to attend the summit, news came that Pyongyang had fired a suspected ballistic missile off its east coast. At a State Department ministerial level dinner, Secretary of State John Kerry said nuclear security progress at times has been slow, and there remains an "enormous amount more to do," adding "but every step forward that we take is a step away from danger." WATCH: Obama Hosts White House Dinner for 50 leaders ''Bilateral meetings Obama held a series of meetings with South Korean President Park Geun-hye and Japanese Prime Minister Shinzo Abe to discuss the North Korean threat. Pyongyang was also among the focal points when Obama sat down later with Chinese President Xi Jinping. "We want to enhance communication and coordination on the Korean nuclear issue and other regional and global issues," Xi said at the top of the talks. Washington views Beijing, Pyongyang's ally, as key in enforcing U.N. sanctions against North Korea for its weapons development. Terrorism fight In a later meeting, Obama praised French President Francois Hollande for "galvanizing the European community" in the fight against terror. The president also held bilateral talks with Turkey's President Recep Tayyip Erdogan. In a [2]Washington Post opinion article, Obama said world powers would address threats posed by terrorist groups such as Islamic State. "We will join allies and partners in reviewing our counterterrorism efforts, to prevent the world's most dangerous networks from obtaining the world's most dangerous weapons," Obama said. As the summit got underway, the White House released a statement saying the U.S. had declassified and released data on the national inventory of highly enriched uranium. It said inventories decreased from about 741 to 586 metric tons between 1996 and 2013. VOA White House correspondent Mary Alice Salinas and Ken Bredemeier contributed to this report. __________________________________________________________________ [3]http://www.voanews.com/content/us-cites-slow-progess-on-nuclear-secu rity-more-work-remains/3264292.html References 1. http://www.nss2016.org/ 2. https://www.washingtonpost.com/opinions/obama-how-we-can-make-our-vision-of-a-world-without-nuclear-weapons-a-reality/2016/03/30/3e156e2c-f693-11e5-9804-537defcc3cf6_story.html 3. http://www.voanews.com/content/us-cites-slow-progess-on-nuclear-security-more-work-remains/3264292.html