Upping the ante against U.S. drone attacks in Pakistan, celebrated cricketer-turned-political leader Imran Khan has threatened to block NATO supplies to Afghanistan through Khyber Pakhtunkhwa province, where his party leads a coalition government.

“We are holding the biggest ever anti-drone protest in Peshawar, where we could decide to block NATO supplies permanently,” Khan, who leads the Pakistan Tehreek Insaf (PTI), told IPS ahead of massive protests planned by the party for Nov. 23.