Commercial drones are flying off the shelves and into the hands of armed groups

In the wrong hands, sometimes a toy can become a weapon

Commercial drones are fast becoming a favorite gadget of armed non-state actors and terrorist groups, which are increasingly using them in combat operations against state militaries in some of the world's fiercest war zones, according to a new report from the independent weapons research group Armament Research Services (ARES) and PAX, a Dutch non-governmental peace organization, published Thursday.