Americans in Afghanistan were told Saturday not to go to the airport in Kabul to evacuate unless they receive a specific message to do so. “Because of potential security threats outside the gates at the Kabul airport, we are advising U.S. citizens to avoid traveling to the airport and to avoid airport gates at this time unless you receive individual instructions from a U.S. government representative to do so,” the U.S. Embassy in Afghanistan said in an alert. The Pentagon declined to comment, referring The Epoch Times to the State Department. That agency did not respond to a request for comment. Video footage from the exterior of the airport on Saturday showed crowds remaining outside the concrete, razor wire-topped walls being guarded by U.S. troops. President Joe Biden told Americans in Washington on Friday that his administration had “no indication” that Americans weren’t able to get to the Hamid Karzai …