Dhaka, June 2 -- Iran on Sunday warned it would retaliate if European powers "exploit" a UN report showing it has stepped up production of highly enriched uranium.

The report by the International Atomic Energy Agency said Iran had sharply increased its stockpile of uranium enriched to up to 60 percent, close to the roughly 90 percent level needed for atomic weapons.

Iran's total amount of enriched uranium now exceeds 45 times the limit authorised by a landmark 2015 agreement with world powers, and is estimated at 9,247.6 kilograms, according to the confidential IAEA report seen by AFP.

Iranian Foreign Minister Abbas Araghchi said in a statement he had told IAEA chief Rafael Grossi in a phone call that "Iran will respond to any inappropri...