The Guardian reported that police deployed the system 100 times at 43 locations and said images of people not on an alert list were pixelated and deleted immediately. Officers engaged with each person linked to an incorrect alert, but none was arrested because of those alerts.

Civil-liberties advocates disputed how police calculated the error rate and raised concerns about indiscriminate scanning and bias. The surveillance vans have been withdrawn while police review performance, community impact and safeguards.

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This is an original summary, not a republication of the full report.

Read the original at The Guardian ↗