The Iranian President has said his country does not require nuclear weapons, but insisted that Tehran will not abandon its pursuit of nuclear energy. <br/> <br/>In an interview with US network NBC Mahmoud Ahmadinejad did not explicitly rule out the possibility that Iran will acquire nuclear weapons. <br/> <br/>He said that it was not a part of our programmes and plans. Mr Ahmadinejad said his country will not yield to pressure from the UN, the US and European states. <br/> <br/>Asked repeatedly whether there were any conditions under which Iran will develop a nuclear weapon, Mr Ahmadinejad each time replied that Iran has no use for such arms. <br/> <br/>Meanwhile, Iranian security forces are on alert ahead of an annual rally expected to draw opposition leaders.<br/>