The technology will be deployed to catch 'high-harm' offenders with new rules to support its use and ensure 'safeguards and oversight', the Home Office said.

The technology will be deployed to catch 'high-harm' offenders with new rules to support its use and ensure 'safeguards and oversight', the Home Office said.

The Home Office says the technology helps locate suspects but civil liberties groups warn of heightened surveillance.

Home Office to launch consultation on what safeguards are needed for police using the technology