African Union investigators have released a report recounting a litany of horrors committed in the course of South Sudan's ongoing civil war, including routine gender-based violence and the indiscriminate killing of civilians.
The agreement gives President Salva Kiir a majority stake in a transitional government. Rebel leader Riek Machar expressed shock to reporters after learning that Kiir had declined to sign.
Observers and world leaders are worried that it might.
Has Juba, the country's capital, witnessed a botched coup, or something else?