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.
Trump announces three-day ceasefire between Ukraine and Russia
US President Donald Trump on Friday announced on social media that there would be a three-day ceasefire in the war between Russia and Ukraine from May 9 until May 11.
US expects Iranian response to peace proposal on Friday as fighting flares
The United States said it expected an Iranian response as soon as later in the day on Friday to its latest proposal to end the war, even as US and Iranian forces clashed in the Gulf.
Trump releases previously classified UFO files
US President Donald Trump and Defence Secretary Pete Hegseth on Friday released dozens of previously classified files on alleged UFO sightings and alien and extraterrestrial life to provide what they called "unprecedented transparency" to the American people.
Hostages in German bank branch released but suspect at large
At least one suspect is at large after taking hostages and then fleeing the scene at a savings bank branch in the western German town of Sinzig, police said on Friday.
UK's Starmer vows to fight on after Labour punished in local polls
Prime Minister Keir Starmer vowed on Friday to fight on to deliver on his promise to bring "change" to Britain after his Labour Party suffered heavy losses in local elections that deepened doubts over his ability to govern.
Authorities in the UAE said the approved learning model for the upcoming period, whether in-person or remote, will be announced on the evening of Sunday, May 10, after assessing the situation in coordination with relevant authorities.
His Highness Sheikh Mansour bin Zayed Al Nahyan, UAE Vice President, Deputy Prime Minister and Chairman of the Presidential Court, has met with Turkish President Recep Tayyip Erdoğan during his working visit to Turkey.
The UAE's air defence systems engaged 2 ballistic missiles and three unmanned aerial vehicles (UAVs) on Friday, May 8.
