Your weekly roundup of key political stories from Sudan and South Sudan:

South Sudanese warring parties rule out resumption of peace talks in June (Sudan Tribune, 30 May 2015) - Peace talks between South Sudan’s warring parties will not commence next month, despite earlier pronouncements from the country’ presidency.

Kenya president hopes to revive South Sudan peace talks (AFP, 29 May 2015) - May 29 Kenyan President Uhuru Kenyatta said Friday that regional leaders would bring "new impetus" to moribund efforts aimed at ending 17 months of civil war in South Sudan.

El Obeid lawyers to sue NCP students (Radio Tamazuj, 29 May 2015) - A group of lawyers in El Obeid town in Sudan’s Kordofan State intend to file a lawsuit next week against students of the National Congress Party (NCP) for attacking a coalition of opposition students at Kordofan University.

N Bahr el Ghazal acting governor appoints new secretary general (Radio Tamazuj, 28 May 2015) - Salva Chol Ayat, acting governor of Northern Bahr el Ghazal state in South Sudan has issued an order appointing a new secretary general, Abraham Wol Kom.

Kiir replaces state oil company head with political ally (Radio Tamazuj, 26 May 2015) - South Sudan's President Salva Kiir has removed the managing director of Nilepet and replaced him with Joseph Cleto Deng, who was Kiir's office manager at the ruling party SPLM and hails from the president's home state.

South Sudanese president Salva Kiir (L) shakes hands with rebel leader and former vice-president Riek Machar after signing an agreement at the end of talks in Arusha, Tanzania on 21 January 2015 (AP)