Newshour Special: Drones
Newshour looks at the rapid expansion in the use of drone technology in Afghanistan, Pakistan, Yemen and Somalia, and asks whether unmanned warfare needs new rules of engagement.
Imran Khan leader of the PTI party in Pakistan - a popular political leader and vocal critic of the US and Pakistan - outlines his policy in the use of drones and sparks a panel discussion.
Also, a look at the boom in small-scale civilian drones.
(A US RQ-1 Predator drone or UAV (unmanned aerial vehicle) flies over the moon above Kandahar Air Field, Southern Afghanistan. Credit: AP Photo/Kirsty Wigglesworth)