Iran says it wo n't send partially enriched uranium abroad for medical research . Proposal was key part of deal brokered by U.N. nuclear watchdog . `` Further analysis of the information available to the agency underscores the importance of Iran engaging with the agency in a substantive and comprehensive manner , and providing the requested access , so that the remaining outstanding issues may be resolved . '' Comment:
Iran says it wo n't send partially enriched uranium abroad for medical research . Proposal was key part of deal brokered by U.N. nuclear watchdog . Comment: