Authorities block road into South Waziristan , ending protest march . Leader says the march still has its goal of drawing attention to drone strikes . A protest march against U.S. drone strikes in Pakistan , led by former cricket star turned politician Imran Khan , came to a halt on Sunday when authorities blocked access to the demonstration 's final destination in the tribal region , officials told CNN . Officials said they were pulled out of South Waziristan for security reasons . March was led by former cricket player turned politician Amir Khan .
Authorities block road into South Waziristan , ending protest march . Leader says the march still has its goal of drawing attention to drone strikes . Officials said they were pulled out of South Waziristan for security reasons . March was led by former cricket player turned politician Amir Khan .