Friends no longer: US president Donald Trump with his then national security adviser John Bolton in 2018.
The former national security adviser seems likely to be sued and could face criminal liability.
Colorized scanning electron micrograph of filamentous Ebola virus particles (blue) budding from an infected cell (yellow-green).
The Trump administration has cut funding for infectious disease research and reduced high-level staffing for global health security, leaving the nation less prepared for major outbreaks.
Cases related to the Trump impeachment may end up at the Supreme Court.
ZACH GIBSON/AFP via Getty Images
President Trump's likely to be acquitted by the Senate in his impeachment trial. But the impeachment's effects won't end until lawsuits are resolved.
As US national security advisor, John Bolton was too much of a warmonger for Donald Trump.
Steve Parsons/PA Archive
Tensions in the Gulf are a stark reminder of the choices ahead for the UK on security cooperation after Brexit.
Fatou Bensouda, ICC Prosecutor, and Robert H. Jackson, two key figures in international criminal justice, from Nuremberg to The Hague.
When faced with US rejection of international criminal justice, today's supporters of the ICC often invoke the country's Nuremberrg leadership. However, this notion is based on a distorted image of the 1945-46 trials.
The USS Arlington – which is being sent to the Gulf as part of a naval strike group.
Both Iran and the US say they are not seeking a war, but it could happen by default.
US President Donald Trump (L) and national security adviser John R. Bolton (R)
Why opportunities should be found to advance cooperation between Africa, China and the US as confidence building measures in US-China relations.
In this September 1993 photo, U.S. President Bill Clinton presides over White House ceremonies marking the signing of the peace accord between Israel and the Palestinians with Israeli Prime Minister Yitzhak Rabin, left, and Palestinian leader Yasser Arafat, right, in Washington.
(AP Photo/Ron Edmonds)
Donald Trump's strong defence of Israel might be more boisterous than his predecessors, but it's consistent with the anti-Palestinian policies by previous U.S. administrations.
An American protester makes his feelings plain during the Iranian hostage crisis, 1979.
Ever since the shocking spectacle of the Iranian Revolution and hostage crisis, American conservatives have reserved a special disdain for the Islamic Republic.
People in South Korea watch a news program on TV about the meeting between North Korean leader Kim Jong-un and Chinese President Xi Jinping in late March. Kim and Xi sought to portray strong ties between the neighbours and long-time allies despite a recent chill.
(AP Photo/Lee Jin-man)
Kim Jong-un's surprise recent visit to Beijing and Xi Jinping was an awkward get-together that didn't address the elephant in the room -- Kim's possible face-to-face meeting soon with Donald Trump.
President Donald Trump with now-former Secretary of State Rex Tillerson, right, and former National Security Adviser H.R. McMaster.
AP /Andrew Harnik
John Bolton just started his job as National Security Adviser to President Trump. He's the latest in a ever-changing cast of staffers, raising the question: Who's in charge of national security?
Syrian President Bashar Assad meets with Syrian army soldiers in Ghouta, Syria in March 2018.
History suggests it would be a big mistake.
AP Photo/Alex Brandon
A former State Department official says Bolton is a military hawk who wants the US to reclaim its global dominance -- mostly by force.
Hellraiser: John Bolton at the UN, 2006.
Reportedly passed over for secretary of state because of his moustache, John Bolton has made it into Donald Trump's administration at last.