"I am free here and I assure everyone I am safe," he said in Farsi.
"My purpose in today's conversation is to put an end to all the rumours that have been levelled at me over the past year. I am Iranian and I have not taken any steps against my homeland."
In March US news channel ABC ran a report quoting unnamed US officials that said Mr Amiri had defected and was helping the US compile intelligence on Iran's nuclear weapons programme.
They suggested that he had given them valuable information about the Iranian nuclear programme, including the recently revealed centrifuge enrichment plant outside the city of Qom.
The secret plant was revealed in September last year, just days before a meeting in Geneva between Iran and the permanent five members of the UN Security Council.
Post je objavljen 08.06.2010. u 23:14 sati.