Nuclear program of Iran Former Minister of Foreign Affairs and senior adviser to Supreme Leader Ali Khamenei, Kamal Kharazi, confirms that Iran now has the capabilities to develop and build a nuclear weapon but says "there has been no decision by Iran to build one". He also warns that Iran will "directly respond" to Israel if it is attacked. Adviser to Iran leader Khamenei says Teheran 'capable of building nuclear bomb' © Straits Times Sources: Straits Times The Jerusalem Post