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

Sudan Congress Party says not invited yet to Dialogue preparatory meeting (Radio Tamazuj, 30 October 2015) - The head of the opposition Sudanese Congress Party Ibraham al-Sheikh told Radio Tamazuj they haven't received any invitation from the AU mediation on the upcoming National Dialogue preparatory meeting in Addis Ababa.

Rizig warns of ethnic wrangling in newly created Wau State (Radio Tamazuj, 29 October 2015) - The competition for a vacant gubernatorial position in the newly created Wau State has reportedly caused a major tribal rift between tribes inhabiting the state, according to the incumbent governor of Western Bahr al Ghazal.

National Dialogue governance committee proposes constitutional amendments (Radio Tamazuj, 27 October 2015) - Dr. Saad-Eddin Mohammed Al-Tayib, a member of the governance committee within the National Dialogue said members of the committee discussed provisions of the Constitution on Thursday and Sunday.

SPLA-IO rebels sign security agreement in Addis Ababa (Radio Tamazuj, 27 October 2015) - The SPLM/A-In Opposition rebel group on Monday signed minutes of the permanent ceasefire and transitional security arrangements workshop that were signed by the South Sudanese government and SPLM Former Detainees in September, a rebel official said.

S Sudan opposition parties urge Supreme Court to stay 28 states order (Radio Tamazuj, 26 October 2015) - The national alliance of South Sudanese opposition parties urged the Supreme Court on Monday to stay presidential order increasing the number of states from 10 to 28.