Tesco installs smoke machines in stores at high risk of break-ins
by Sarah Marsh Consumer affairs correspondent from World news | The Guardian on (#6NJVV)
Devices used after opening hours at some London branches amid rise in shoplifting and attacks on staff
Tesco has installed smoke machines in some of its stores to stop people from stealing goods after night-time break-ins.
Britain's biggest supermarket chain uses the 4ft-high security devices in some stores at high risk of burglary outside opening hours.
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