Sudan death toll rises to seven - medics

The number of people killed by security officers during Monday's pro-democracy protests in Sudan has risen to at least seven, medics say.

1 in 4 people around the world lack access to clean water in their homes. Uganda is one of the countries where for millions of people, it’s a struggle to get safe water. One man has come up with a pretty neat idea to fix this problem, by developing a water purifier made out of food wastes.