UNMISS calls the incident a regrettable mistake and says the U.N. is sending a high-level team to investigate how it happened.
South Sudanese officials raise the toll from five to 24 but play down the gunfire reported in Juba overnight as the work of rogue elements who are trying to spark panic.
An official from Duk County in Jonglei state who is among the displaced says 60,000 have likely been forced to flee by the latest outbreak of violence.
Pro- and anti-government sides swap blame for clashes in Duk County and Gadiang, both in Jonglei state.
Officials say the former vice president and two others were removed from the ruling SPLM because they have joined a new party set up by Riek Machar.
Opposition and government forces swap blame for destroying the town, where local officials say some 2,000 people have been killed since South Sudan plunged into unrest just over five weeks ago.
Around 3,000 refugees a day pour into Uganda, where they have to wait in crowded transit camps to be registered.
Cross-border traffic is almost at a standstill at a key transit point between Uganda and South Sudan after days of heavy rain cause flooding on one of the main roads linking the two countries.
The mayor of Bor, the capital of Jonglei state in South Sudan, wants to close all of the shisha cafes in the city.
A spate of deaths in Jonglei state prompts officials to call for a prison to be built and for a stepped-up police presence in rural areas.
South Sudan's finance minister proposes a new budget to replace the one that was withdrawn after President Salva Kiir fired his entire cabinet.
The South Sudan army denies that its soldiers have killed Murle civilians in Jonglei state, where the army is fighting rebels led by David Yau Yau.
In South Sudan, some children are refusing to work herding cattle for their parents before and after school, saying it disrupts their education.
The Vice President of South Sudan traveled to Jonglei state to try to kick start peace talks with a rebel group led by David Yau Yau.
