Tehran (IP)- Rafael Grossi, Director General of the International Atomic Energy Agency, arrived in Tehran late on Monday according to a pre-arranged schedule to meet with Iranian officials.

Iran PressIran news: The visit comes as the US is pushing to "snapback" UN sanctions on Iran for allegedly violating its 2015 nuclear deal with world powers, which the Trump administration unilaterally withdrew from more than two years ago.

Russia, China, Britain, France, and Germany, the other signatories to the deal, have declared the US action illegal, saying it can't withdraw from a deal and then use the UN resolution 2231 that endorsed it to re-impose sanctions.

Rafael Grossi is set to meet with Iranian officials on Tuesday and Wednesday.