The group also documented "systematic sexual violence", rape and gang-rape as well as abductions of women and girls
Hopes are high that the agreement, the details of which were not announced, will end the war which has cost the lives of tens of thousands of people.
Machar had initially refused to approve the deal on Tuesday, before finally agreeing to it after mediation by Khartoum.
The rebel leader refused to sign the final peace deal even as Juba inked it.
Both President Salva Kiir and Dr Riek Machar are former rebel leaders who rose to power during Sudan's 1983-2005 civil war between north and south.
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 latest agreement is part of renewed regional diplomatic efforts to end a conflict that has killed tens of thousands of people.
“The ad hoc committee exchanged views on how to more effectively enhance its support to and co-operation with IGAD in the ongoing efforts to resolve the...
"This day was expected by our people in South Sudan and it has now come," Kiir says after the signing of the agreement.
The latest push for peace in South Sudan launched by regional leaders last week in Addis Ababa comes as the two warring factions face a looming deadline...
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