UNITED NATIONS (CBCDC) – The use of unmanned aerial vehicles in warfare has been increasing, as have the number of civilian casualties, according to a report from the U.N.

Special envoy on human rights Ben Emmerson investigated targeted drone attacks in Afghanistan, Pakistan, Yemen, Libya, Iraq, Somalia, and Gaza.

He says many nations, especially the United States, are relying on drones to carry out targeted attacks.

The International Committee of the Red Cross says using drones is better if they are used to minimize civilian casualties

The report makes clear that while drone attacks are preferable to carpet bombing, countries must establish international rules of conduct with how the weapons are used.

Most troubling, he tells CBS News Correspondent Pamela Falk, is the lack of transparency by countries that use drones

Tensions between the U.S. and Pakistan have risen as the American military relies more and more on them to carry out counter-terror strikes.

Experts warn of a possible new arms race as more countries develop their own versions of drone aircraft.

In September, Iran unveiled an aerial vehicle it calls its most sophisticated one yet.


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