UNITED NATIONS, August 27: Russia late Friday blocked agreement on the final document of a four-week review of the U.N. treaty considered the cornerstone of nuclear disarmament which criticized its military takeover of Europe’s largest nuclear plant soon after Russian troops invaded Ukraine, an act that has raised fears of a nuclear disaster.

SEOUL, May 9: North Korea on Thursday fired at least one unidentified projectile from the country’s western area, South Korea’s military said, the second such launch in the last five days and a possible warning that nuclear disarmament talks could be in danger.