Obama in New Orleans

10 years has gone by since hurricane Katrina caused devastation in New Orleans. Over 1,800 people lost their lives as the tropical cyclone moved across the area. President Obama visits New Orleans a decade on, we look at how the city has re-built itself.

The civil war in South Sudan has left tens of thousands dead, and millions displaced. But now there is hope, after President Salva Kiir signed a peace deal with rebel leader Riek Machar. But South Sudan's economy is in crisis - we look at challenges face the country.

And research published in the Lancet medical journal says goths may be at an increased risk of depression and self harm.

(Photo: President Obama visits New Orleans. Credit: Joe Raedle/Getty Images)