Asefi said Iran won't give a response at once to the package incentives designed to end the standoff caused by its nuclear program, citing the complexity of the proposals.
In Brussels, top Iranian nuclear negotiator Ali Larijani declined to talk to reporters as he went into a meeting with EU foreign policy chief Javier Solana.
Solana was hoping for a positive reply from Larijani on the offer of economic and trade rewards as well as nuclear expertise and reactors in exchange for a pledge by Iran to suspend uranium enrichment activities during nuclear talks.
But EU officials have said they anticipated Larijani may submit a counterproposal of his own Tuesday, the AP reports.
Solana is to present Iran's answer Wednesday in Paris at a conference with foreign ministers of the six nations that drafted the offer - the five permanent members of the U.N. Security Council, plus Germany, according to the AP.
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First Deputy Minister of Information of the Donetsk People's Republic Daniil Bezsonov showed the video of an ammonia cloud that appeared after the Armed Forces of Ukraine shelled the Togliatti-Odessa ammonia pipeline