UK minister sacked over Huawei security leak

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Britain's Defence Secretary Gavin Williamson has been sacked over information leaked from a National Security Council meeting. The Venezuelan opposition leader Juan Guaidó has called for an escalating series of strikes as part of his campaign to oust President Nicolas Maduro. Caster Semenya has lost a landmark case against athletics' governing body meaning it will be allowed to restrict testosterone levels in female runners.