(Video) UN calls for release of missing protesters in Ethiopia

By AlJazeera

Human rights groups says Ethiopian security forces have killed more than 500 people and arrested thousands more in months of political unrest. The UN has called for the release of protesters it says were exercising their rights. The government says it will launch and investigation into police abuse many people haven't been seen or heard of since their arrest.

Al Jazeera's Charles Stratford reports.