UN helicopter attacked during South Sudan rescue mission

FILE - South Sudan President Salva Kiir, left, and First Vice President Riek Machar, right, shake hands after meetings in Juba, South Sudan, Oct. 20, 2019. Kiir appealed for calm after a U.N. helicopter was attacked and a crew member killed during a Friday rescue mission. 

South Sudan's president appealed for calm and pledged his country would "not go back to war," after a United Nations helicopter was attacked and a crew member killed during a Friday rescue mission.