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British Transport Police using the "Knife Arch" detector during routine neighborhood policing at Lewisham train station. London Stock Photo - Alamy
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Knife arches trialled by police at McDonald's restaurants across London | London Evening Standard | Evening Standard
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Nottinghamshire Police set up knife arch outside McDonald's restaurant in Mansfield - Nottinghamshire Live
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Woman 'tests out' the new knife arch at Croydon McDonald's by walking through it with a teaspoon and everyone has the same question - MyLondon
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Everything we saw when a knife arch was installed at 'meet-up spot' where 'kids carry weapons into city' - Birmingham Live
![British Transport Police using the "Knife Arch" detector during routine neighborhood policing at Lewisham train station. London Stock Photo - Alamy British Transport Police using the "Knife Arch" detector during routine neighborhood policing at Lewisham train station. London Stock Photo - Alamy](https://c8.alamy.com/comp/BF7DK1/british-transport-police-using-the-knife-arch-detector-during-routine-BF7DK1.jpg)
British Transport Police using the "Knife Arch" detector during routine neighborhood policing at Lewisham train station. London Stock Photo - Alamy
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