2011 Mazar-i-Sharif attack
The 2011 Mazar-i-Sharif attack occurred on 1 April 2011 when a group of demonstrators attacked the United Nations Assistance Mission in Afghanistan (UNAMA) compound in Mazar-i-Sharif, Afghanistan, killing seven foreigners, including three United Nations staff members and four Nepalese guards. Additionally, five protesters died in the violence.
Source: Wikipedia — 2011 Mazar-i-Sharif attack (CC BY-SA 4.0)