<p>U.S. Defense Secretary Jim Mattis visited Kabul on Wednesday, with the precarious security in the Afghan capital underlined
by an attack on the airport hours after he touched down.</p><p></p>| <p>U.S. Defense Secretary Jim Mattis visited Kabul on Wednesday, with the precarious security in the Afghan capital underlined
by an attack on the airport hours after he touched down.</p><p></p> |