'If the survival of Iran comes under serious threat, we reserve the right to reconsider,' said Kamal Kharrazi.

The suspension followed a tweet in which the Iranian leader claimed that 'the Zionist regime made a mistake.'

Iran financially and militarily backs terror groups Hamas, Palestinian Islamic Jihad and Hezbollah.

Khameini riled up thousands of Iranians, calling for the demise of everything that America represents.

In the midst of nuclear negotiations, Iranian Supreme Leader Ali Khamenei responsd to chants of "Death to America" by saying: "Death to America, of course."

Iran released a video showing the world the Islamic Republic's dream, which is to launch a brutal attack on Israel that includes the use of nuclear bombs.