Pakistan has stopped US forces from using an airbase in Balochistan from where unmanned predator drones were operating, in fresh signs of growing rift between the two countries over the CIA operated strikes. "Yes I can confirm Shamsi air base is no more under the use of American and 150 US personnel stationed at the base have left," NBC reported quoting senior Pakistani military intelligence officials. The reports came in hours after US drones struck in North Waziristhan region killing at least 25 people including foreign militants and some women and children. NBC said the CIA had been using the base close to the Afghan border as a station to launch unmanned predator drones to attack terrorists targets inside Pakistan's tribal areas. The TV channel said the base which is also called the Bandari, is a small airfield and air station located about 200 miles southwest of Quetta, along the Afghan border.