Gavin Williamson has been sacked as defence secretary following an inquiry into a leak from a top-level National Security Council meeting.
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Downing Street said Theresa May had "lost confidence in his ability to serve" and Penny Mordaunt has been appointed in Williamson’s place.
The inquiry followed reports over a plan to allow tech firm Huawei limited access to help build the UK's new 5G network.
Mr Williamson, who has been defence secretary since 2017, "strenuously" denies leaking the information.
This report by Michael Cockerell.
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