Tech and Science leaders urge UN to ban killer robots

Some science and technology leaders are calling for a ban on autonomous weapons that can hunt down and kill people without human intervention.

Elon Musk, Steve Wozniak, and Stephen Hawking are among almost 2,000 signatories of an open letter urging the United Nations to ban killer robots.

The trio says the risks of these automatic robots could be greater than those posed by nuclear weapons