Iran has shipped 11 tonnes of heavy water abroad to bring its stock back under a limit set by its landmark nuclear deal with major powers, according to a diplomat citing a confidential U.N. nuclear watchdog report.

The shipment is a step toward resolving a dispute with Western powers including the United States that are keen to prevent Iran from testing the deal’s terms. The report substantiated an Iranian statement last month about a transfer to Oman but does not identify the destination, the diplomat said on Tuesday. Continue Reading.