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This week the public Inquiry into the Manchester Arena bombing that killed 22 people in May 2017 will publish a report examining the response of the emergency services.
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The Manchester Arena has described the atrocity as an incident which 'changed the landscape of security at large events' for the entire industry.Ìý
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Since then the venue has introduced a raft of new security measures, including one new system provided by an American company called Evolv which uses AI weapons scanners to spot concealed weapons.Ìý
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The company claims it has the ability to find ‘all weapons’, but a Newsnight investigation reveals evidence that the company has publicly overhyped this technology, which may not always be able to detect some weapons. James Clayton reports.