in August 2017. In early 2018, a power struggle between Ukel and Elia Lomuro over control of the political parties alliance was reported. On 12 September 2018, the Revitalized Agreement on the Resolution of the Conflict in the Republic of South Sudan (R-ARCSS) was signed in Addis, Ukel was one of the six signatories representing the Umbrella Coalition of Political Parties. However, when the National Dialogue Steering Committee held a regional conference in Wau at the end of February 2019, Ukel reportedly walked out after not been given the chance to address the gathering and resigned from the National Dialogue. In August of 2019, Ukel was reportedly arrested in Wau on allegations of supporting the rebel SPLM-IO and put under house arrest in Juba by the National Security Service (NSS). Two months later, in Mid-October, he was released from his confinements and arrived in Khartoum "to seek medical treatment". References Living people 1939 births Government ministers of South Sudan Education ministers Science and technology in South Sudan Alumni of the University of Edinburgh University of Khartoum alumni People from Bahr el Ghazal