South Sudan's exiled rebel leader Riek Machar arrived in Juba on Saturday in a bid to salvage a peace deal with less than a month to go until he is to form a government with President Salva Kiir.
Sudan peace talks stalled before they began in Juba on Wednesday as a key rebel grouping said it refused to negotiate with Khartoum
Prisoners rioted and seized weapons at a detention centre in South Sudan's capital Juba early on Sunday, a security source and local residents said.
One person was killed when unidentified gunmen attacked a convoy of humanitarian trucks belonging to a contractor of UN children's agency UNICEF north of South Sudan's capital Juba on Wednesday, according to the agency.
South Sudan's ousted army chief Paul Malong returned to the capital Juba on Saturday, saying he had no intention of staging a revolt against President Salva Kiir's government.
South Sudan's former vice president and opposition leader Riek Machar has left the country for a neighbouring state, opposition officials said, weeks after he withdrew from the capital during fierce fighting with government troops.
A heavily-armed Ugandan military convoy crossed into South Sudan on Thursday to evacuate citizens trapped in the capital Juba as fears persist that days of fierce fighting might reignite despite a ceasefire.
A heavily-armed Ugandan military convoy crossed into South Sudan on Thursday to evacuate citizens trapped in the capital Juba as fears persist that recent days of intense fighting might reignite despite a ceasefire.