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Meet Bob, the robot security guard

16 June 2014 Last updated at 06:00 BST

Scientists at Birmingham University are testing their latest project by putting an autonomous robot in a working office environment to do a real job.

Bob, a robotic security guard, is patrolling the Tewkesbury office of security company G4S.

He scans rooms, looking for differences from previous scans and reporting any anomalies.

John Maguire reports.

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