UN nuclear watchdog chief Rafael Grossi will visit Iran next Wednesday and start consultations with Iranian officials the following day, state media reported on Sunday.The head of the International Atomic Energy Agency (IAEA) said on Wednesday he might head to Iran in the coming days to discuss its disputed nuclear program and that he expected to work cooperatively with US President-elect Donald Trump.For all the latest headlines follow our Google News channel online or via the app.Long-standing issues between Iran, the IAEA, and Western powers include Tehran barring uranium-enrichment experts from IAEA inspection teams in the country and its failure for years to explain uranium traces found at undeclared sites.Iran has also stepped up nuclear activity since 2019, after then-President Trump abandoned a 2015 deal Iran reached with world powers under which it curbed enrichment - seen by the West as a disguised effort to develop nuclear weapons capability - and restored tough US sanctions