The former US national security advisor in Donald Trump's administration said: The former US president was always proud of having very strong relations with world leaders, but in reality these leaders think Trump is a "fool".

US President Donald Trump announced plans to name U.S. hostage negotiator Robert O’Brien to replace John Bolton as his national security adviser.

President Donald Trump's decision to jettison John Bolton -- his third national security adviser since January 2017 -- was both shocking and typical for a President who has generated unprecedented churn among his national security team.

Iran’s Foreign Minister Mohammad Javad Zarif says Iran will take the “third step” in reducing its commitments under a 2015 multilateral nuclear deal unless the other signatories take action to protect the agreement.

US President Donald Trump has ordered his administration to avoid a military confrontation with Iran, the New York Times and Reuters have reported.

 The United States is sending an aircraft carrier strike group and a bomber task force to the Middle East in a "clear and unmistakable" message to Iran, declared John Bolton, the hawkish US national security advisor.

The Trump administration is working to designate the Muslim Brotherhood a foreign terrorist organisation, the White House said on Tuesday.

If the visiting U.S. national security aide wants to speak to a Turkish official, he should talk with the presidential spokesman, said Turkey’s president on Tuesday.

Iranian Foreign Minister Mohammad Javad Zarif has lashed out at the United States for launching a blistering verbal attack on the International Criminal Court (ICC), saying the boorishness of this rogue US regime seems to know no bounds.

White House National Security Adviser John Bolton threatened to sanction the International Criminal Court (ICC) after the global tribunal announced an investigation into alleged U.S. war crimes in Afghanistan -- in a harsh condemnation just before the world marked 17 years after the terror attacks of September 11, 2001.

By tapping conservative firebrand John Bolton as his national security chief and hardliner Mike Pompeo as his top diplomat, US President Donald Trump has dramatically raised the stakes in world affairs.