The African Union (AU) says a special court will be set up to try war crimes suspects in South Sudan, which has been hit by a brutal conflict since 2013
The move is aimed at promoting an "African solution" to the conflict in the world's youngest state, which became independent in 2011, it said.
By Frank Gardner
BBC security correspondent
In an age of 24/7 news coverage, social media and videos going viral, the war in Yemen must rank as one of the most under-reported in recent times, despite a few brave visits by intrepid journalists and film crews.
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By David Stern
BBC News, Kiev
Health officials in Ukraine are gripped by fears of a major polio outbreak, after it was announced this month that the disease had paralysed two children in the south-western region of Trans-Carpathia. Concerns that the virus could cut a deadly swathe through the country has mobilised officials to launch a national immunisation campaign that would embrace all children up to 10 years old.
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The BBC's Gabriel Gatehouse has just returned from Yemen, where he had rare access to the scale of the humanitarian crisis caused by what some are calling the "forgotten war".
The bombing campaign in the skies over Yemen is in its sixth month now. Every day, residents of the capital, Sanaa, listen nervously for the rumble of jets. They know what will follow: a flash in the sky, a sickening pause, then the thud and boom of explosions as the missiles strike.
Hundreds of migrants are stranded outside a major railway station in the Hungarian capital, Budapest, after police sealed off the terminal to stop them travelling through the EU.
Government spokesman Zoltan Kovacs defended the closure, saying Hungary was trying to enforce EU law.