South Sudan is reeling from an escalating conflict between the government-aligned army and opposition forces and allied groups that observers say risks returning the country to a full-blown civil war. Violent confrontations in the world’s youngest country between the military, which is loyal to President Salva Kiir, and insurgents believed to be allied to the suspended vice-president, Riek Machar, have increased in recent weeks. On Sunday, at least 169 people were killed after armed youth from Mayom county in the north raided a village in neighbouring Abiemnom county near the Sudan border. View image in fullscreen Members of the SPLA-IO gather at a security post outside local government offices in Akobo, Jonglei state. Photograph: Luis Tato/AFP/Getty Images The victims included includi...