Ali Akbar Salehi, the head of Iran's Atomic Energy Agency, tells Al Jazeera that it is Iran's right to refine uranium to whatever level it needs.

Saying that his scientists have the potential to enrich uranium to weapons-grade levels, he warns Barack Obama, the US president, not to test Iran, saying there could be unimaginable consequences if he takes "any wrong step".

In this episode of Talk to Al Jazeera, Nazanine Moshiri talks to Ali Akbar Saleh.

This interview aired from Friday, February 12, 2010.

Source: Al Jazeera