Iran has increased stockpile of highly enriched uranium, watchdog says

Rafael Mariano Grossi has urged Iran to co-operate. Picture: Jon Gambrell/AP

Iran has further increased its stockpile of uranium enriched to near weapons-grade levels, a confidential report by the UN nuclear watchdog said.

The report comes at a sensitive time as Tehran and Washington have been holding several rounds of talks over a possible nuclear deal that US President Donald Trump is trying to reach.