UN experts arrive in Iran on Monday for talks on the Islamic Republic's controversial uranium enrichment activities, the Iranian Students' News Agency (ISNA) said citing a reliable source.

U.N. Secretary-General Ban Ki-moon is urging Iran to comply with Security Council resolutions regarding its nuclear activities, after France's foreign minister warned that the world should prepare for war if negotiations fail.

The next round of six-party talks on North Korea's nuclear program will not be held on September 19, and could be postponed until October, Japan's Kyodo news agency said Monday.

The UN nuclear watchdog is opposed to any use of military force against Iran and considers dialogue to be the only means of resolving the country's nuclear problem, the head of the watchdog said Monday.

France's foreign minister says world powers should brace for a possible war with Iran over Tehran's nuclear ambitions. In an interview broadcast Sunday on French radio and television, Bernard Kouchner said negotiations to resolve the nuclear standoff with Tehran are the top priority.

The chief U.S. envoy to the negotiations on ending North Korea's nuclear program says Friday the first ministerial-level meeting of the six-party talks could occur pretty soon. Assistant Secretary of State for East Asian and Pacific Affairs Christopher Hill goes to Beijing for another envoy-level session next week.

China renewed its support Friday for negotiations over Iran's disputed nuclear activities, the muslin country’s interior minister said and warned that new U.N. sanctions could force Iran to adopt "other means."

State Department spokesman Sean McCormack has denied that Germany is opposed to a stepped-up sanctions regime against Iran, or that Washington has as a result despaired of a diplomatic solution to the standoff with Tehran.

United States military officials and weapons experts are advising the leadership to drop diplomacy with Iran over its nuclear program, and prepare for military action, FOX News reported.

The head of the United Nations nuclear watchdog said Monday a plan worked out jointly by the agency and Tehran on Iran's controversial nuclear program was "an important step in the right direction."

Iran will not stop its nuclear enrichment program even if new UN sanctions are introduced, the country's top nuclear negotiator said in a TV interview.

The Bush administration Friday defended its approach to Iran's nuclear program in the face of implicit criticism from International Atomic Energy Agency director Mohammed ElBaradei. The IAEA chief suggested Washington is in a rush to use military force against Iran, while a U.S. official said ElBaradei is engaged in unhelpful public sniping.