United Nations peacekeeping missions operate in conflict zones to maintain peace and security. These missions often involve evacuating personnel from dangerous areas. South Sudan has been plagued by conflict and political instability for years, despite attempts at peace agreements. - A United Nations helicopter was attacked in Nasir, South Sudan, while attempting to evacuate South Sudanese troops. - One UN crew member was killed, and two others were injured in the attack. - Several South Sudanese soldiers, including an army general, also died in the incident. - The UN mission in South Sudan confirmed the attack and the resulting casualties. - The White Army militia linked to Machar is being blamed for the deadly attack.