A U.N. panel agreed Friday to move ahead with talks to define and possibly set limits on weapons that can kill without human involvement, as human rights groups said governments are moving too slowly to keep up with advances in artificial intelligence that could put computers in control one day.

Advocacy groups warned about the threats posed by such ‘killer robots’ and aired a chilling video illustrating their possible uses on the sidelines of the first formal U.N. meeting of government experts on Lethal Autonomous Weapons Systems this week.

More than 80 countries took part.

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