The U.N.Security Council has imposed three rounds of sanctions on Iran for refusing to stop enriching uranium at home.

VOA: standard.2009.10.19

The U.N.and U.S. imposed fresh sanctions on Iran, last month, to force it to stop enriching uranium for its controversial nuclear program.

VOA: standard.2010.07.23

She said those include a lack of recognition of the deep concern over Iran's intention to continue enriching some uranium to high levels.

VOA: standard.2010.05.25

Iranian officials are to meet with Western powers later this month to discuss enriching uranium abroad.

VOA: standard.2009.10.12

Iran is already in defiance of repeated Security Council demands that it stop enriching uranium.

VOA: standard.2009.11.30

Iran's top nuclear negotiator, Ambassador Ali Asghar Soltanieh, said Tehran would not stop enriching uranium, but it would still cooperate to some extent with the IAEA.

VOA: standard.2009.11.28

Tehran claims it is enriching uranium for purely peaceful purposes.

VOA: standard.2009.10.19

ElBaradei said France was included in the draft agreement. Talks this week gathering Russia, the United States,France, Iran and the IAEA, stalled on Tuesday over Iran's reluctance to have France participate in any deal on enriching its uranium.

VOA: standard.2009.10.21