A UN helicopter undertaking a rescue mission in South Sudan's Upper Nile State came under fire, suffering casualties.
This attack highlights the increasing instability in the country, fueled by a breakdown in the power-sharing agreement.
The conflict between President Kiir's forces and those loyal to Riek Machar threatens to reignite a brutal civil war.
Despite official appeals for peace, the underlying political tensions and lack of trust continue to escalate the crisis.
