Mr Ahmadinejad says Iran has an "undeniable" right to nuclear power
Iran is holding crucial talks with the five UN Security Council members plus Germany on its nuclear programme. The talks follow the disclosure by Iran of a second plant for enriching uranium.
Here, Iranians discuss their country's nuclear programme and the international stand-off over the issue.
Mustafa, administrator, Tehran
Hesam, sales manager, Tehran
Amir, project manager, Cincinnati, USA
Haroot, translator, Tehran
Ali, student, London
Behnoud, studio manager, Tehran