NEW DELHI - Iran is willing to address international concerns about its atomic activities but will keep its nuclear program "intact", not close it down, Foreign Minister Mohammad Javad Zarif said on Thursday.

His remarks signaled that Tehran will not agree to dismantle any of its atomic facilities in talks with six world powers on a final settlement of the decade-old dispute over its nuclear activity.

Those negotiations got under way in Vienna last week, with both sides saying they made a "good start" but conceding that their plan to achieve a long-term deal in the coming months was very ambitious.

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