The United States conducted a "successful" counterterrorism operation against a "significant" Al Qaeda target Ayman Al Zawahiri in Afghanistan over the weekend, a senior administration official told Fox News. "Over the weekend, the United States conducted a counterterrorism operation against a significant Al Qaeda target in Afghanistan," The senior administration official told Fox News. "The operation was successful and there were no civilian casualties." Two intelligence sources tell Fox News Al Qaeda leader Ayman Al Zawahiri was killed in the CIA drone strike. The Biden administration closed the U.S. Embassy in Kabul and withdrew all military assets from Afghanistan on Aug. 31, 2021, ending the United States' longest war. Subscribe to LiveNOW from FOX! https://www.youtube.com/livenowfox?sub_confirmation=1 Where to watch LiveNOW from FOX: https://www.livenowfox.com/ Follow us @LiveNOWFOX on Twitter: https://twitter.com/livenowfox Raw and unfiltered. Watch a non-stop stream of breaking news, live events and stories across the nation. Limited commentary. No opinion. Experience LiveNOW from FOX.