Greggs has announced some of its staff will be using body cameras in an attempt to deter customer attacks and theft. The bakery chain says it fears for the safety of their staff in some of their busiest locations, including London Bridge station. The cameras, which can record up to 90 minutes of footage, have been rolled out at certain stores nationwide. A sign explaining the move has been installed in the bakeries employing the safety measures. The sign reads: “Keeping Everyone Safe. To ensure the safety of our customers and colleagues, we’re trialling body-worn cameras in this shop. Audio an…