HONORING WORKERS U.S. Army Gen. David H. Petraeus, commander of NATO and U.S. forces in Afghanistan, attends a ceremony in Kabul, Afghanistan, April 5, 2011, honoring seven United Nations workers killed by a large group of demonstrators in Mazar-e-Sharif, Afghanistan, April 3, 2011. The ceremony was held at the United Nations Assistance Mission compound in Kabul. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 138142-T-IFV74-341.jpg Photo Gallery