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.
Thousands of Australians without power as cyclone Alfred hits
Hundreds of thousands of people in Australia's Queensland state were without power on Sunday after Alfred, a downgraded tropical cyclone, brought damaging winds and heavy rains, sparking flood warnings.
Israeli airstrike kills two in southern Gaza
An Israeli airstrike killed two Palestinians in Rafah in the southern Gaza Strip on Saturday, medical sources said, as mediators pushed ahead with talks to extend a shaky 42-day ceasefire agreed in January between Israel and Hamas.
12 people injured in Toronto pub shooting
Toronto Police said early on Saturday they were searching for three male suspects in a shooting that injured at least 12 people at a pub in the Canadian city.
Cyclone Alfred downgraded as millions stay indoors
Ex-tropical cyclone Alfred lingered off the south-east Australian coast on Saturday and forecasters said Brisbane is likely to miss the worst of the storm, a relief for millions of residents in the region who have been staying indoors.
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