The U.N. nuclear watchdog’s board has condemned Iran for failing to cooperate fully with the agency, the second time it has done so in just five months.

The resolution comes after the agency said Iran has defied demands to rein in its nuclear program and has increased its stockpile of uranium enriched to near weapons-grade levels.

The UN nuclear watchdog's board of governors passed a resolution chiding Iran's poor cooperation with the agency after hours of heated exchanges, diplomats told AFP late on Thursday, a move

Iran has defied international demands to rein in its nuclear program and has increased its stockpile of uranium enriched to near weapons-grade levels, according to a confidential report by the United Nations’ nuclear watchdog seen Tuesday by The Associated Press.

UN atomic watchdog chief Rafael Grossi on Wednesday welcomed Iran's "concrete step" on agreeing to cap its stockpile of highly enriched uranium after Tehran implemented preparatory steps to stop addin

Iran has agreed to stop producing uranium enriched close to the level required for nuclear weapons, a sign the Islamic Republic may be ready to resolve a standoff with the West over its atomic activities.