Machar had initially refused to approve the deal on Tuesday, before finally agreeing to it after mediation by Khartoum.
Machar and President Salva Kiir have held weeks of talks in Khartoum in search of a comprehensive peace deal.
The rebel leader refused to sign the final peace deal even as Juba inked it.
The Sudanese minister said the opposition's refusal to sign spelled the end of the current Khartoum talks.
The power-sharing deal lays out a plan for a 35-minister transitional government including 20 Kiir allies and nine backers of Machar, along with representatives...
The first phase of the South Sudan peace talks ended last year in December with the cessation of hostilities agreement in Addis Ababa.
"You whites are the ones messing us up," shouted an angry man in the crowd, heard by AFP.
Dut Achuek, a state minister, said eight people died in an attack Monday in Jonglei State, while a follow-up raid on Tuesday left "23 women killed and......
Border rows: Juba's payments for oil to be discussed
President Salva Kiir's dismissal of Malong on Tuesday night has raised concern among the population who fear confrontation between soldiers loyal to each...
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