STORY: In South Sudan's capital Juba, refreshments seller Victoria Kojang is worried that her country could be about to slide back into violence.:: August 5, 2018A peace deal following a five-year civil war in the world's youngest nation is being threatened by a growing rift between President Salva Kiir and his longtime rival,

Tensions are rising in the oil-rich east African nation of South Sudan after Riek Machar who serves as a vice president was arrested in the capital.

The United Nations chief urged regional and international leaders Friday to prevent South Sudan from falling “over the abyss” into another civil war and speak with one voice to support a return to peace.