The United States on Saturday urged its citizens in Afghanistan to avoid traveling to the Kabul airport, citing “potential security threats” near its gates. The warning from the US embassy in Kabul provided no detail on the danger, but a White House official later confirmed that aides had briefed President Joe Biden on “counterterrorism operations” in Afghanistan, including against the Islamic State group. Conditions outside Hamid Karzai International Airport have been chaotic amid the crush […]