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 to apply economic measures 'never seen' on Iran, says Treasury Secretary
US Treasury Secretary Scott Bessent said on Thursday that the United States is going to apply economic measures that have "never been seen" on Iran.
Blast at Rotterdam port energy facility kills one person
A blast at a storage facility for petroleum products at the Netherlands' Rotterdam port killed one person and wounded six others on Thursday.
US can keep blockade on Iranian ports 'indefinitely', Pentagon chief says
The US military has enough assets to maintain a naval blockade of Iran indefinitely, Defence Secretary Pete Hegseth said on Thursday, adding ships could be rotated in and out of the region as needed.
Large explosion rips through Italian munitions factory
A powerful explosion ripped through a munitions factory near the town of Colleferro, southeast of Rome, on Thursday, with the blast heard for kilometres around.
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