The move by Russia, the world's largest supplier of enriched uranium, was a symbolic tit-for-tat move after the U.S. banned Russian uranium imports, adding that companies authorized by the export control watchdog can still export uranium to the U.S.

Russia, the world's largest supplier of enriched uranium, said on Friday that it had imposed temporary restrictions on the export of enriched uranium to the United States, a symbolic tit-for-tat move after the U.