A US Predator drone armed with a missile stands on the tarmac of Kandahar military airport in 2010. Pakistani politician Imran Khan has led thousands of supporters on a march to the tribal belt to ... more 

A US Predator drone armed with a missile stands on the tarmac of Kandahar military airport in 2010. Pakistani politician Imran Khan has led thousands of supporters on a march to the tribal belt to protest against US drone strikes less