U.S. vacates Pakistan airbase. (1:36)

Dec. 11 - US army vacates airbase in Pakistan, as angry demonstrators burn the American flag in protest at a NATO air strike that killed 24 soldiers. Deborah Lutterbeck reports

All is quiet at Pakistan's Shamsi airbase Sunday, following Islamabad's demand that America leaves the remote station used for drone flights. Washington is treading lightly to avoid aggravating an already fragile relationship that was badly bruised by a NATO attack on a Pakistani military outpost last month that killed 24 Pakistani soldiers. Pakistan demanded the U.S quit the airbase and blocked ground supply routes through Pakistan to U.S. forces in Afghanistan. But the anger goes on. Demonstrators were back on the streets in Lahore Sunday decrying the United States. SOUNDBITE) (Urdu) PROTEST LEADER, MOHAMMAD ALI NAQSHBANDI, SAYING: "Our demand is that they (the Pakistan government) should firmly stand by their decision. NATO supplies should be stopped permanently. This is the best time to pull out of American slavery." Similar scenes in Karachi. Some demonstrators burned an American flag. They also beat an effigy of U.S president Barack Obama before setting it on fire. Deborah Lutterbeck, Reuters