A REAL-life robocop is set to lay down the law during the Tokyo Olympics.
The high-tech Perseusbot can detect suspicious packages and even predict when troublemakers are about to throw punches.
It can also read changes in crowd movements, like surges forward or people fleeing from danger.
It uses cutting-edge AI technology to work out when bags and parcels have been left unattended for a suspiciously long tall.
The 6ft robot can also send smartphone alerts to security guards when it finds injured people in crowds.
It can even dodge obstacles and travel over uneven pavemennts as it patrols the streets.
The droid has been specially designed to enforce good behaviour at the 2020 Tokyo Olympics and Paralympics.
But experts fear it could pose a danger to people.
Alan Winfield, Professor of Robot Ethics at the University of West England, told the Daily Star: "If you’re asking a robot to apprehend criminals, how can you be sure the robot would not injure people?”
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