The leader of Sudan's military junta has fired at least six ambassadors from their posts after they spoke out against this week’s overthrow of the joint civilian-military transitional government, including Sudan's U.S. ambassador, Nureldin Satti; South Sudan Deputy Foreign Minister, Deng Dau Deng, has expressed concern about the safety of South Sudanese nationals living in Sudan and says his government is monitoring the situation through the embassy in Khartoum; The family of South Sudanese student Mohammed Salih Kur, who was shot and killed in the Sudanese capital Khartoum on Monday following the military takeover, is calling for justice