UN discusses "killer robots"

Summary

For this 21st century, countries however United States, Israel and Britain think about "kill robots". They beliebe that this system is better to go warfare. But this idea cause reduction the number of soldiers on the battlefield, for their it isn't happy. 

Now the fifty countries which ratified the convention on conventional weapons. 

http://www.bbc.co.uk/worldservice/learningenglish/language/wordsinthenews/2013/11/131115_witn_killer_robots.shtml