There is no hard proof that Iran is working...
"There is no evidence that Iran has made a decision to produce nuclear weapons," Lavrov said in an interview with RIA Novosti.
He added that Iran had failed to properly cooperate with international organizations over concerns about its nuclear program and said that if the situation persists "I cannot rule out that the UN Security Council will have to consider the situation once again."
MOSCOW, February 25 (RIA Novosti)