John Bolton has been called in to testify in the impeachment inquiry into US President Donald Trump.
The former National Security Adviser has been summoned by the House of Representatives investigators.
The US President is being investigated for pressuring Ukraine to investigate former US Vice-President Joe Biden and his son.
Trump denies the claims.
Bolton, who has spoken against the president on the matter, has been asked to testify on November 7.
US strikes Iranian launchers on Larak Island
US forces carried out strikes on two Iranian launchers on Larak Island on Sunday, marking the first known American strikes on Iran since late July.
Jordan intercepts eight missiles in airpace
Jordan's air defence systems intercepted eight missiles that entered the country's airspace early on Monday, according to the Jordanian Armed Forces.
At least eight die, 18 missing after ferry capsizes off North Cyprus
At least eight people died and 18 were missing after a ferry carrying around 270 passengers and crew capsized off north Cyprus on Sunday, leaving survivors clinging to its overturned hull.
Rescuers battle floods and debris as Himalayan disaster death toll nears 800
Rescuers in Nepal and China raced on Sunday to find thousands of people missing after a glacier collapse unleashed a catastrophic mudslide across the Himalayas, as they faced challenging weather conditions and rising water levels.
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