Afghan security personnel keep watch during a battle with Taliban insurgents who took over a building near the U.S. embassy in Kabul September 14, 2011. An assault by Taliban insurgents on the heart of Kabul's diplomatic and military enclave ended on Wednesday after 20 hours when security forces killed the last of six attackers, an Afghan government spokesman said. REUTERS/Ahmad Masood (AFGHANISTAN - Tags: CIVIL UNREST POLITICS)